19428291220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4395541}}^1$

素因数の和:4395580

約数の個数: 48

約数和(自身を含む): 46522416528

約数和(自身を除く): 27094125308

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 4395541, 8791082, 17582164, 21977705, 43955410, 57142033, 74724197, 87910820, 114284066, 149448394, 228568132, 285710165, 298896788, 373620985, 571420330, 747241970, 971414561, 1142840660, 1494483940, 1942829122, 3885658244, 4857072805, 9714145610, 19428291220]

約数ペア:

[(1, 19428291220), (2, 9714145610), (4, 4857072805), (5, 3885658244), (10, 1942829122), (13, 1494483940), (17, 1142840660), (20, 971414561), (26, 747241970), (34, 571420330), (52, 373620985), (65, 298896788), (68, 285710165), (85, 228568132), (130, 149448394), (170, 114284066), (221, 87910820), (260, 74724197), (340, 57142033), (442, 43955410), (884, 21977705), (1105, 17582164), (2210, 8791082), (4420, 4395541)]