19773540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2969}}^1$

素因数の和:3021

約数の個数: 72

約数和(自身を含む): 61621560

約数和(自身を除く): 41848020

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, 2969, 3330, 5938, 6660, 8907, 11876, 14845, 17814, 26721, 29690, 35628, 44535, 53442, 59380, 89070, 106884, 109853, 133605, 178140, 219706, 267210, 329559, 439412, 534420, 549265, 659118, 988677, 1098530, 1318236, 1647795, 1977354, 2197060, 3295590, 3954708, 4943385, 6591180, 9886770, 19773540]

約数ペア:

[(1, 19773540), (2, 9886770), (3, 6591180), (4, 4943385), (5, 3954708), (6, 3295590), (9, 2197060), (10, 1977354), (12, 1647795), (15, 1318236), (18, 1098530), (20, 988677), (30, 659118), (36, 549265), (37, 534420), (45, 439412), (60, 329559), (74, 267210), (90, 219706), (111, 178140), (148, 133605), (180, 109853), (185, 106884), (222, 89070), (333, 59380), (370, 53442), (444, 44535), (555, 35628), (666, 29690), (740, 26721), (1110, 17814), (1332, 14845), (1665, 11876), (2220, 8907), (2969, 6660), (3330, 5938)]