19759140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12197}}^1$

素因数の和:12218

約数の個数: 60

約数和(自身を含む): 61990236

約数和(自身を除く): 42231096

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12197, 24394, 36591, 48788, 60985, 73182, 109773, 121970, 146364, 182955, 219546, 243940, 329319, 365910, 439092, 548865, 658638, 731820, 987957, 1097730, 1317276, 1646595, 1975914, 2195460, 3293190, 3951828, 4939785, 6586380, 9879570, 19759140]

約数ペア:

[(1, 19759140), (2, 9879570), (3, 6586380), (4, 4939785), (5, 3951828), (6, 3293190), (9, 2195460), (10, 1975914), (12, 1646595), (15, 1317276), (18, 1097730), (20, 987957), (27, 731820), (30, 658638), (36, 548865), (45, 439092), (54, 365910), (60, 329319), (81, 243940), (90, 219546), (108, 182955), (135, 146364), (162, 121970), (180, 109773), (270, 73182), (324, 60985), (405, 48788), (540, 36591), (810, 24394), (1620, 12197)]