18407268

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 55351296

約数和(自身を除く): 36944028

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 43, 44, 46, 47, 66, 69, 86, 92, 94, 99, 129, 132, 138, 141, 172, 188, 198, 207, 253, 258, 276, 282, 387, 396, 414, 423, 473, 506, 516, 517, 564, 759, 774, 828, 846, 946, 989, 1012, 1034, 1081, 1419, 1518, 1548, 1551, 1692, 1892, 1978, 2021, 2068, 2162, 2277, 2838, 2967, 3036, 3102, 3243, 3956, 4042, 4257, 4324, 4554, 4653, 5676, 5934, 6063, 6204, 6486, 8084, 8514, 8901, 9108, 9306, 9729, 10879, 11868, 11891, 12126, 12972, 17028, 17802, 18189, 18612, 19458, 21758, 22231, 23782, 24252, 32637, 35604, 35673, 36378, 38916, 43516, 44462, 46483, 47564, 65274, 66693, 71346, 72756, 88924, 92966, 97911, 107019, 130548, 133386, 139449, 142692, 185932, 195822, 200079, 214038, 266772, 278898, 391644, 400158, 418347, 428076, 511313, 557796, 800316, 836694, 1022626, 1533939, 1673388, 2045252, 3067878, 4601817, 6135756, 9203634, 18407268]

約数ペア:

[(1, 18407268), (2, 9203634), (3, 6135756), (4, 4601817), (6, 3067878), (9, 2045252), (11, 1673388), (12, 1533939), (18, 1022626), (22, 836694), (23, 800316), (33, 557796), (36, 511313), (43, 428076), (44, 418347), (46, 400158), (47, 391644), (66, 278898), (69, 266772), (86, 214038), (92, 200079), (94, 195822), (99, 185932), (129, 142692), (132, 139449), (138, 133386), (141, 130548), (172, 107019), (188, 97911), (198, 92966), (207, 88924), (253, 72756), (258, 71346), (276, 66693), (282, 65274), (387, 47564), (396, 46483), (414, 44462), (423, 43516), (473, 38916), (506, 36378), (516, 35673), (517, 35604), (564, 32637), (759, 24252), (774, 23782), (828, 22231), (846, 21758), (946, 19458), (989, 18612), (1012, 18189), (1034, 17802), (1081, 17028), (1419, 12972), (1518, 12126), (1548, 11891), (1551, 11868), (1692, 10879), (1892, 9729), (1978, 9306), (2021, 9108), (2068, 8901), (2162, 8514), (2277, 8084), (2838, 6486), (2967, 6204), (3036, 6063), (3102, 5934), (3243, 5676), (3956, 4653), (4042, 4554), (4257, 4324)]