19427490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2957}}^1$

素因数の和:3043

約数の個数: 48

約数和(自身を含む): 51220728

約数和(自身を除く): 31793238

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 2957, 3285, 5914, 6570, 8871, 14785, 17742, 26613, 29570, 44355, 53226, 88710, 133065, 215861, 266130, 431722, 647583, 1079305, 1295166, 1942749, 2158610, 3237915, 3885498, 6475830, 9713745, 19427490]

約数ペア:

[(1, 19427490), (2, 9713745), (3, 6475830), (5, 3885498), (6, 3237915), (9, 2158610), (10, 1942749), (15, 1295166), (18, 1079305), (30, 647583), (45, 431722), (73, 266130), (90, 215861), (146, 133065), (219, 88710), (365, 53226), (438, 44355), (657, 29570), (730, 26613), (1095, 17742), (1314, 14785), (2190, 8871), (2957, 6570), (3285, 5914)]