19404648

素因数分解:

$2^3\times 3^2\times {\mathrm{181}}^1\times {\mathrm{1489}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 52880100

約数和(自身を除く): 33475452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 181, 362, 543, 724, 1086, 1448, 1489, 1629, 2172, 2978, 3258, 4344, 4467, 5956, 6516, 8934, 11912, 13032, 13401, 17868, 26802, 35736, 53604, 107208, 269509, 539018, 808527, 1078036, 1617054, 2156072, 2425581, 3234108, 4851162, 6468216, 9702324, 19404648]

約数ペア:

[(1, 19404648), (2, 9702324), (3, 6468216), (4, 4851162), (6, 3234108), (8, 2425581), (9, 2156072), (12, 1617054), (18, 1078036), (24, 808527), (36, 539018), (72, 269509), (181, 107208), (362, 53604), (543, 35736), (724, 26802), (1086, 17868), (1448, 13401), (1489, 13032), (1629, 11912), (2172, 8934), (2978, 6516), (3258, 5956), (4344, 4467)]