19849740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8069}}^1$

素因数の和:8122

約数の個数: 48

約数和(自身を含む): 56941920

約数和(自身を除く): 37092180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8069, 16138, 24207, 32276, 40345, 48414, 80690, 96828, 121035, 161380, 242070, 330829, 484140, 661658, 992487, 1323316, 1654145, 1984974, 3308290, 3969948, 4962435, 6616580, 9924870, 19849740]

約数ペア:

[(1, 19849740), (2, 9924870), (3, 6616580), (4, 4962435), (5, 3969948), (6, 3308290), (10, 1984974), (12, 1654145), (15, 1323316), (20, 992487), (30, 661658), (41, 484140), (60, 330829), (82, 242070), (123, 161380), (164, 121035), (205, 96828), (246, 80690), (410, 48414), (492, 40345), (615, 32276), (820, 24207), (1230, 16138), (2460, 8069)]