19993896

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 96

約数和(自身を含む): 59852520

約数和(自身を除く): 39858624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 41, 52, 72, 78, 82, 104, 117, 123, 156, 164, 234, 246, 312, 328, 369, 468, 492, 521, 533, 738, 936, 984, 1042, 1066, 1476, 1563, 1599, 2084, 2132, 2952, 3126, 3198, 4168, 4264, 4689, 4797, 6252, 6396, 6773, 9378, 9594, 12504, 12792, 13546, 18756, 19188, 20319, 21361, 27092, 37512, 38376, 40638, 42722, 54184, 60957, 64083, 81276, 85444, 121914, 128166, 162552, 170888, 192249, 243828, 256332, 277693, 384498, 487656, 512664, 555386, 768996, 833079, 1110772, 1537992, 1666158, 2221544, 2499237, 3332316, 4998474, 6664632, 9996948, 19993896]

約数ペア:

[(1, 19993896), (2, 9996948), (3, 6664632), (4, 4998474), (6, 3332316), (8, 2499237), (9, 2221544), (12, 1666158), (13, 1537992), (18, 1110772), (24, 833079), (26, 768996), (36, 555386), (39, 512664), (41, 487656), (52, 384498), (72, 277693), (78, 256332), (82, 243828), (104, 192249), (117, 170888), (123, 162552), (156, 128166), (164, 121914), (234, 85444), (246, 81276), (312, 64083), (328, 60957), (369, 54184), (468, 42722), (492, 40638), (521, 38376), (533, 37512), (738, 27092), (936, 21361), (984, 20319), (1042, 19188), (1066, 18756), (1476, 13546), (1563, 12792), (1599, 12504), (2084, 9594), (2132, 9378), (2952, 6773), (3126, 6396), (3198, 6252), (4168, 4797), (4264, 4689)]