1998161904

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:767

約数の個数: 160

約数和(自身を含む): 5627854080

約数和(自身を除く): 3629692176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 53, 57, 67, 76, 106, 114, 134, 152, 159, 201, 212, 228, 268, 304, 318, 402, 424, 456, 536, 617, 636, 804, 848, 912, 1007, 1072, 1234, 1272, 1273, 1608, 1851, 2014, 2468, 2544, 2546, 3021, 3216, 3551, 3702, 3819, 4028, 4936, 5092, 6042, 7102, 7404, 7638, 8056, 9872, 10184, 10653, 11723, 12084, 14204, 14808, 15276, 16112, 20368, 21306, 23446, 24168, 28408, 29616, 30552, 32701, 35169, 41339, 42612, 46892, 48336, 56816, 61104, 65402, 67469, 70338, 82678, 85224, 93784, 98103, 124017, 130804, 134938, 140676, 165356, 170448, 187568, 196206, 202407, 248034, 261608, 269876, 281352, 330712, 392412, 404814, 496068, 523216, 539752, 562704, 621319, 661424, 784824, 785441, 809628, 992136, 1079504, 1242638, 1569648, 1570882, 1619256, 1863957, 1984272, 2190967, 2356323, 2485276, 3141764, 3238512, 3727914, 4381934, 4712646, 4970552, 6283528, 6572901, 7455828, 8763868, 9425292, 9941104, 12567056, 13145802, 14911656, 17527736, 18850584, 26291604, 29823312, 35055472, 37701168, 41628373, 52583208, 83256746, 105166416, 124885119, 166513492, 249770238, 333026984, 499540476, 666053968, 999080952, 1998161904]

約数ペア:

[(1, 1998161904), (2, 999080952), (3, 666053968), (4, 499540476), (6, 333026984), (8, 249770238), (12, 166513492), (16, 124885119), (19, 105166416), (24, 83256746), (38, 52583208), (48, 41628373), (53, 37701168), (57, 35055472), (67, 29823312), (76, 26291604), (106, 18850584), (114, 17527736), (134, 14911656), (152, 13145802), (159, 12567056), (201, 9941104), (212, 9425292), (228, 8763868), (268, 7455828), (304, 6572901), (318, 6283528), (402, 4970552), (424, 4712646), (456, 4381934), (536, 3727914), (617, 3238512), (636, 3141764), (804, 2485276), (848, 2356323), (912, 2190967), (1007, 1984272), (1072, 1863957), (1234, 1619256), (1272, 1570882), (1273, 1569648), (1608, 1242638), (1851, 1079504), (2014, 992136), (2468, 809628), (2544, 785441), (2546, 784824), (3021, 661424), (3216, 621319), (3551, 562704), (3702, 539752), (3819, 523216), (4028, 496068), (4936, 404814), (5092, 392412), (6042, 330712), (7102, 281352), (7404, 269876), (7638, 261608), (8056, 248034), (9872, 202407), (10184, 196206), (10653, 187568), (11723, 170448), (12084, 165356), (14204, 140676), (14808, 134938), (15276, 130804), (16112, 124017), (20368, 98103), (21306, 93784), (23446, 85224), (24168, 82678), (28408, 70338), (29616, 67469), (30552, 65402), (32701, 61104), (35169, 56816), (41339, 48336), (42612, 46892)]