19907952

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 56282112

約数和(自身を除く): 36374160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 372, 408, 496, 527, 744, 787, 816, 1054, 1488, 1574, 1581, 2108, 2361, 3148, 3162, 4216, 4722, 6296, 6324, 8432, 9444, 12592, 12648, 13379, 18888, 24397, 25296, 26758, 37776, 40137, 48794, 53516, 73191, 80274, 97588, 107032, 146382, 160548, 195176, 214064, 292764, 321096, 390352, 414749, 585528, 642192, 829498, 1171056, 1244247, 1658996, 2488494, 3317992, 4976988, 6635984, 9953976, 19907952]

約数ペア:

[(1, 19907952), (2, 9953976), (3, 6635984), (4, 4976988), (6, 3317992), (8, 2488494), (12, 1658996), (16, 1244247), (17, 1171056), (24, 829498), (31, 642192), (34, 585528), (48, 414749), (51, 390352), (62, 321096), (68, 292764), (93, 214064), (102, 195176), (124, 160548), (136, 146382), (186, 107032), (204, 97588), (248, 80274), (272, 73191), (372, 53516), (408, 48794), (496, 40137), (527, 37776), (744, 26758), (787, 25296), (816, 24397), (1054, 18888), (1488, 13379), (1574, 12648), (1581, 12592), (2108, 9444), (2361, 8432), (3148, 6324), (3162, 6296), (4216, 4722)]