18205320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21673}}^1$

素因数の和:21694

約数の個数: 64

約数和(自身を含む): 62421120

約数和(自身を除く): 44215800

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, 21673, 43346, 65019, 86692, 108365, 130038, 151711, 173384, 216730, 260076, 303422, 325095, 433460, 455133, 520152, 606844, 650190, 758555, 866920, 910266, 1213688, 1300380, 1517110, 1820532, 2275665, 2600760, 3034220, 3641064, 4551330, 6068440, 9102660, 18205320]

約数ペア:

[(1, 18205320), (2, 9102660), (3, 6068440), (4, 4551330), (5, 3641064), (6, 3034220), (7, 2600760), (8, 2275665), (10, 1820532), (12, 1517110), (14, 1300380), (15, 1213688), (20, 910266), (21, 866920), (24, 758555), (28, 650190), (30, 606844), (35, 520152), (40, 455133), (42, 433460), (56, 325095), (60, 303422), (70, 260076), (84, 216730), (105, 173384), (120, 151711), (140, 130038), (168, 108365), (210, 86692), (280, 65019), (420, 43346), (840, 21673)]