18966090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4455

約数の個数: 64

約数和(自身を含む): 53488512

約数和(自身を除く): 34522422

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4421, 8842, 13263, 22105, 26526, 44210, 48631, 57473, 66315, 97262, 114946, 132630, 145893, 172419, 243155, 287365, 291786, 344838, 486310, 574730, 632203, 729465, 862095, 1264406, 1458930, 1724190, 1896609, 3161015, 3793218, 6322030, 9483045, 18966090]

約数ペア:

[(1, 18966090), (2, 9483045), (3, 6322030), (5, 3793218), (6, 3161015), (10, 1896609), (11, 1724190), (13, 1458930), (15, 1264406), (22, 862095), (26, 729465), (30, 632203), (33, 574730), (39, 486310), (55, 344838), (65, 291786), (66, 287365), (78, 243155), (110, 172419), (130, 145893), (143, 132630), (165, 114946), (195, 97262), (286, 66315), (330, 57473), (390, 48631), (429, 44210), (715, 26526), (858, 22105), (1430, 13263), (2145, 8842), (4290, 4421)]