18877530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 52132608

約数和(自身を除く): 33255078

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 241, 373, 482, 723, 746, 1119, 1205, 1446, 1687, 1865, 2238, 2410, 2611, 3374, 3615, 3730, 5061, 5222, 5595, 7230, 7833, 8435, 10122, 11190, 13055, 15666, 16870, 25305, 26110, 39165, 50610, 78330, 89893, 179786, 269679, 449465, 539358, 629251, 898930, 1258502, 1348395, 1887753, 2696790, 3146255, 3775506, 6292510, 9438765, 18877530]

約数ペア:

[(1, 18877530), (2, 9438765), (3, 6292510), (5, 3775506), (6, 3146255), (7, 2696790), (10, 1887753), (14, 1348395), (15, 1258502), (21, 898930), (30, 629251), (35, 539358), (42, 449465), (70, 269679), (105, 179786), (210, 89893), (241, 78330), (373, 50610), (482, 39165), (723, 26110), (746, 25305), (1119, 16870), (1205, 15666), (1446, 13055), (1687, 11190), (1865, 10122), (2238, 8435), (2410, 7833), (2611, 7230), (3374, 5595), (3615, 5222), (3730, 5061)]