18841620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 96

約数和(自身を含む): 60979968

約数和(自身を除く): 42138348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 113, 140, 210, 226, 339, 397, 420, 452, 565, 678, 791, 794, 1130, 1191, 1356, 1582, 1588, 1695, 1985, 2260, 2373, 2382, 2779, 3164, 3390, 3955, 3970, 4746, 4764, 5558, 5955, 6780, 7910, 7940, 8337, 9492, 11116, 11865, 11910, 13895, 15820, 16674, 23730, 23820, 27790, 33348, 41685, 44861, 47460, 55580, 83370, 89722, 134583, 166740, 179444, 224305, 269166, 314027, 448610, 538332, 628054, 672915, 897220, 942081, 1256108, 1345830, 1570135, 1884162, 2691660, 3140270, 3768324, 4710405, 6280540, 9420810, 18841620]

約数ペア:

[(1, 18841620), (2, 9420810), (3, 6280540), (4, 4710405), (5, 3768324), (6, 3140270), (7, 2691660), (10, 1884162), (12, 1570135), (14, 1345830), (15, 1256108), (20, 942081), (21, 897220), (28, 672915), (30, 628054), (35, 538332), (42, 448610), (60, 314027), (70, 269166), (84, 224305), (105, 179444), (113, 166740), (140, 134583), (210, 89722), (226, 83370), (339, 55580), (397, 47460), (420, 44861), (452, 41685), (565, 33348), (678, 27790), (791, 23820), (794, 23730), (1130, 16674), (1191, 15820), (1356, 13895), (1582, 11910), (1588, 11865), (1695, 11116), (1985, 9492), (2260, 8337), (2373, 7940), (2382, 7910), (2779, 6780), (3164, 5955), (3390, 5558), (3955, 4764), (3970, 4746)]