19138020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 59222016

約数和(自身を除く): 40083996

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 107, 110, 132, 165, 214, 220, 271, 321, 330, 428, 535, 542, 642, 660, 813, 1070, 1084, 1177, 1284, 1355, 1605, 1626, 2140, 2354, 2710, 2981, 3210, 3252, 3531, 4065, 4708, 5420, 5885, 5962, 6420, 7062, 8130, 8943, 11770, 11924, 14124, 14905, 16260, 17655, 17886, 23540, 28997, 29810, 35310, 35772, 44715, 57994, 59620, 70620, 86991, 89430, 115988, 144985, 173982, 178860, 289970, 318967, 347964, 434955, 579940, 637934, 869910, 956901, 1275868, 1594835, 1739820, 1913802, 3189670, 3827604, 4784505, 6379340, 9569010, 19138020]

約数ペア:

[(1, 19138020), (2, 9569010), (3, 6379340), (4, 4784505), (5, 3827604), (6, 3189670), (10, 1913802), (11, 1739820), (12, 1594835), (15, 1275868), (20, 956901), (22, 869910), (30, 637934), (33, 579940), (44, 434955), (55, 347964), (60, 318967), (66, 289970), (107, 178860), (110, 173982), (132, 144985), (165, 115988), (214, 89430), (220, 86991), (271, 70620), (321, 59620), (330, 57994), (428, 44715), (535, 35772), (542, 35310), (642, 29810), (660, 28997), (813, 23540), (1070, 17886), (1084, 17655), (1177, 16260), (1284, 14905), (1355, 14124), (1605, 11924), (1626, 11770), (2140, 8943), (2354, 8130), (2710, 7062), (2981, 6420), (3210, 5962), (3252, 5885), (3531, 5420), (4065, 4708)]