18208858920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21677213}}^1$

素因数の和:21677234

約数の個数: 64

約数和(自身を含む): 62430376320

約数和(自身を除く): 44221517400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21677213, 43354426, 65031639, 86708852, 108386065, 130063278, 151740491, 173417704, 216772130, 260126556, 303480982, 325158195, 433544260, 455221473, 520253112, 606961964, 650316390, 758702455, 867088520, 910442946, 1213923928, 1300632780, 1517404910, 1820885892, 2276107365, 2601265560, 3034809820, 3641771784, 4552214730, 6069619640, 9104429460, 18208858920]

約数ペア:

[(1, 18208858920), (2, 9104429460), (3, 6069619640), (4, 4552214730), (5, 3641771784), (6, 3034809820), (7, 2601265560), (8, 2276107365), (10, 1820885892), (12, 1517404910), (14, 1300632780), (15, 1213923928), (20, 910442946), (21, 867088520), (24, 758702455), (28, 650316390), (30, 606961964), (35, 520253112), (40, 455221473), (42, 433544260), (56, 325158195), (60, 303480982), (70, 260126556), (84, 216772130), (105, 173417704), (120, 151740491), (140, 130063278), (168, 108386065), (210, 86708852), (280, 65031639), (420, 43354426), (840, 21677213)]