18844020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8053}}^1$

素因数の和:8081

約数の個数: 72

約数和(自身を含む): 61564776

約数和(自身を除く): 42720756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8053, 16106, 24159, 32212, 40265, 48318, 72477, 80530, 96636, 104689, 120795, 144954, 161060, 209378, 241590, 289908, 314067, 362385, 418756, 483180, 523445, 628134, 724770, 942201, 1046890, 1256268, 1449540, 1570335, 1884402, 2093780, 3140670, 3768804, 4711005, 6281340, 9422010, 18844020]

約数ペア:

[(1, 18844020), (2, 9422010), (3, 6281340), (4, 4711005), (5, 3768804), (6, 3140670), (9, 2093780), (10, 1884402), (12, 1570335), (13, 1449540), (15, 1256268), (18, 1046890), (20, 942201), (26, 724770), (30, 628134), (36, 523445), (39, 483180), (45, 418756), (52, 362385), (60, 314067), (65, 289908), (78, 241590), (90, 209378), (117, 161060), (130, 144954), (156, 120795), (180, 104689), (195, 96636), (234, 80530), (260, 72477), (390, 48318), (468, 40265), (585, 32212), (780, 24159), (1170, 16106), (2340, 8053)]