19974708

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 57294720

約数和(自身を除く): 37320012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 41, 52, 54, 78, 82, 108, 117, 123, 156, 164, 234, 246, 347, 351, 369, 468, 492, 533, 694, 702, 738, 1041, 1066, 1107, 1388, 1404, 1476, 1599, 2082, 2132, 2214, 3123, 3198, 4164, 4428, 4511, 4797, 6246, 6396, 9022, 9369, 9594, 12492, 13533, 14227, 14391, 18044, 18738, 19188, 27066, 28454, 28782, 37476, 40599, 42681, 54132, 56908, 57564, 81198, 85362, 121797, 128043, 162396, 170724, 184951, 243594, 256086, 369902, 384129, 487188, 512172, 554853, 739804, 768258, 1109706, 1536516, 1664559, 2219412, 3329118, 4993677, 6658236, 9987354, 19974708]

約数ペア:

[(1, 19974708), (2, 9987354), (3, 6658236), (4, 4993677), (6, 3329118), (9, 2219412), (12, 1664559), (13, 1536516), (18, 1109706), (26, 768258), (27, 739804), (36, 554853), (39, 512172), (41, 487188), (52, 384129), (54, 369902), (78, 256086), (82, 243594), (108, 184951), (117, 170724), (123, 162396), (156, 128043), (164, 121797), (234, 85362), (246, 81198), (347, 57564), (351, 56908), (369, 54132), (468, 42681), (492, 40599), (533, 37476), (694, 28782), (702, 28454), (738, 27066), (1041, 19188), (1066, 18738), (1107, 18044), (1388, 14391), (1404, 14227), (1476, 13533), (1599, 12492), (2082, 9594), (2132, 9369), (2214, 9022), (3123, 6396), (3198, 6246), (4164, 4797), (4428, 4511)]