19122540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3581}}^1$

素因数の和:3682

約数の個数: 48

約数和(自身を含む): 54159840

約数和(自身を除く): 35037300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 3581, 5340, 7162, 10743, 14324, 17905, 21486, 35810, 42972, 53715, 71620, 107430, 214860, 318709, 637418, 956127, 1274836, 1593545, 1912254, 3187090, 3824508, 4780635, 6374180, 9561270, 19122540]

約数ペア:

[(1, 19122540), (2, 9561270), (3, 6374180), (4, 4780635), (5, 3824508), (6, 3187090), (10, 1912254), (12, 1593545), (15, 1274836), (20, 956127), (30, 637418), (60, 318709), (89, 214860), (178, 107430), (267, 71620), (356, 53715), (445, 42972), (534, 35810), (890, 21486), (1068, 17905), (1335, 14324), (1780, 10743), (2670, 7162), (3581, 5340)]