1913860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 4593456

約数和(自身を除く): 2679596

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 433, 442, 866, 884, 1105, 1732, 2165, 2210, 4330, 4420, 5629, 7361, 8660, 11258, 14722, 22516, 28145, 29444, 36805, 56290, 73610, 95693, 112580, 147220, 191386, 382772, 478465, 956930, 1913860]

約数ペア:

[(1, 1913860), (2, 956930), (4, 478465), (5, 382772), (10, 191386), (13, 147220), (17, 112580), (20, 95693), (26, 73610), (34, 56290), (52, 36805), (65, 29444), (68, 28145), (85, 22516), (130, 14722), (170, 11258), (221, 8660), (260, 7361), (340, 5629), (433, 4420), (442, 4330), (866, 2210), (884, 2165), (1105, 1732)]