19660440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8623}}^1$

素因数の和:8656

約数の個数: 64

約数和(自身を含む): 62092800

約数和(自身を除く): 42432360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8623, 17246, 25869, 34492, 43115, 51738, 68984, 86230, 103476, 129345, 163837, 172460, 206952, 258690, 327674, 344920, 491511, 517380, 655348, 819185, 983022, 1034760, 1310696, 1638370, 1966044, 2457555, 3276740, 3932088, 4915110, 6553480, 9830220, 19660440]

約数ペア:

[(1, 19660440), (2, 9830220), (3, 6553480), (4, 4915110), (5, 3932088), (6, 3276740), (8, 2457555), (10, 1966044), (12, 1638370), (15, 1310696), (19, 1034760), (20, 983022), (24, 819185), (30, 655348), (38, 517380), (40, 491511), (57, 344920), (60, 327674), (76, 258690), (95, 206952), (114, 172460), (120, 163837), (152, 129345), (190, 103476), (228, 86230), (285, 68984), (380, 51738), (456, 43115), (570, 34492), (760, 25869), (1140, 17246), (2280, 8623)]