18923580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8087}}^1$

素因数の和:8115

約数の個数: 72

約数和(自身を含む): 61824672

約数和(自身を除く): 42901092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8087, 16174, 24261, 32348, 40435, 48522, 72783, 80870, 97044, 105131, 121305, 145566, 161740, 210262, 242610, 291132, 315393, 363915, 420524, 485220, 525655, 630786, 727830, 946179, 1051310, 1261572, 1455660, 1576965, 1892358, 2102620, 3153930, 3784716, 4730895, 6307860, 9461790, 18923580]

約数ペア:

[(1, 18923580), (2, 9461790), (3, 6307860), (4, 4730895), (5, 3784716), (6, 3153930), (9, 2102620), (10, 1892358), (12, 1576965), (13, 1455660), (15, 1261572), (18, 1051310), (20, 946179), (26, 727830), (30, 630786), (36, 525655), (39, 485220), (45, 420524), (52, 363915), (60, 315393), (65, 291132), (78, 242610), (90, 210262), (117, 161740), (130, 145566), (156, 121305), (180, 105131), (195, 97044), (234, 80870), (260, 72783), (390, 48522), (468, 40435), (585, 32348), (780, 24261), (1170, 16174), (2340, 8087)]