19758780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3541}}^1$

素因数の和:3587

約数の個数: 72

約数和(自身を含む): 61885824

約数和(自身を除く): 42127044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3541, 5580, 7082, 10623, 14164, 17705, 21246, 31869, 35410, 42492, 53115, 63738, 70820, 106230, 109771, 127476, 159345, 212460, 219542, 318690, 329313, 439084, 548855, 637380, 658626, 987939, 1097710, 1317252, 1646565, 1975878, 2195420, 3293130, 3951756, 4939695, 6586260, 9879390, 19758780]

約数ペア:

[(1, 19758780), (2, 9879390), (3, 6586260), (4, 4939695), (5, 3951756), (6, 3293130), (9, 2195420), (10, 1975878), (12, 1646565), (15, 1317252), (18, 1097710), (20, 987939), (30, 658626), (31, 637380), (36, 548855), (45, 439084), (60, 329313), (62, 318690), (90, 219542), (93, 212460), (124, 159345), (155, 127476), (180, 109771), (186, 106230), (279, 70820), (310, 63738), (372, 53115), (465, 42492), (558, 35410), (620, 31869), (930, 21246), (1116, 17705), (1395, 14164), (1860, 10623), (2790, 7082), (3541, 5580)]