19493820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2927}}^1$

素因数の和:2979

約数の個数: 72

約数和(自身を含む): 60750144

約数和(自身を除く): 41256324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2927, 3330, 5854, 6660, 8781, 11708, 14635, 17562, 26343, 29270, 35124, 43905, 52686, 58540, 87810, 105372, 108299, 131715, 175620, 216598, 263430, 324897, 433196, 526860, 541495, 649794, 974691, 1082990, 1299588, 1624485, 1949382, 2165980, 3248970, 3898764, 4873455, 6497940, 9746910, 19493820]

約数ペア:

[(1, 19493820), (2, 9746910), (3, 6497940), (4, 4873455), (5, 3898764), (6, 3248970), (9, 2165980), (10, 1949382), (12, 1624485), (15, 1299588), (18, 1082990), (20, 974691), (30, 649794), (36, 541495), (37, 526860), (45, 433196), (60, 324897), (74, 263430), (90, 216598), (111, 175620), (148, 131715), (180, 108299), (185, 105372), (222, 87810), (333, 58540), (370, 52686), (444, 43905), (555, 35124), (666, 29270), (740, 26343), (1110, 17562), (1332, 14635), (1665, 11708), (2220, 8781), (2927, 6660), (3330, 5854)]