18406830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 48121920

約数和(自身を除く): 29715090

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 109, 130, 195, 218, 327, 390, 433, 545, 654, 866, 1090, 1299, 1417, 1635, 2165, 2598, 2834, 3270, 4251, 4330, 5629, 6495, 7085, 8502, 11258, 12990, 14170, 16887, 21255, 28145, 33774, 42510, 47197, 56290, 84435, 94394, 141591, 168870, 235985, 283182, 471970, 613561, 707955, 1227122, 1415910, 1840683, 3067805, 3681366, 6135610, 9203415, 18406830]

約数ペア:

[(1, 18406830), (2, 9203415), (3, 6135610), (5, 3681366), (6, 3067805), (10, 1840683), (13, 1415910), (15, 1227122), (26, 707955), (30, 613561), (39, 471970), (65, 283182), (78, 235985), (109, 168870), (130, 141591), (195, 94394), (218, 84435), (327, 56290), (390, 47197), (433, 42510), (545, 33774), (654, 28145), (866, 21255), (1090, 16887), (1299, 14170), (1417, 12990), (1635, 11258), (2165, 8502), (2598, 7085), (2834, 6495), (3270, 5629), (4251, 4330)]