19218648

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 50738400

約数和(自身を除く): 31519752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 53, 58, 87, 106, 116, 159, 174, 212, 232, 318, 348, 424, 521, 636, 696, 1042, 1272, 1537, 1563, 2084, 3074, 3126, 4168, 4611, 6148, 6252, 9222, 12296, 12504, 15109, 18444, 27613, 30218, 36888, 45327, 55226, 60436, 82839, 90654, 110452, 120872, 165678, 181308, 220904, 331356, 362616, 662712, 800777, 1601554, 2402331, 3203108, 4804662, 6406216, 9609324, 19218648]

約数ペア:

[(1, 19218648), (2, 9609324), (3, 6406216), (4, 4804662), (6, 3203108), (8, 2402331), (12, 1601554), (24, 800777), (29, 662712), (53, 362616), (58, 331356), (87, 220904), (106, 181308), (116, 165678), (159, 120872), (174, 110452), (212, 90654), (232, 82839), (318, 60436), (348, 55226), (424, 45327), (521, 36888), (636, 30218), (696, 27613), (1042, 18444), (1272, 15109), (1537, 12504), (1563, 12296), (2084, 9222), (3074, 6252), (3126, 6148), (4168, 4611)]