19246420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 41948928

約数和(自身を除く): 22702508

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 265, 268, 271, 335, 530, 542, 670, 1060, 1084, 1340, 1355, 2710, 3551, 5420, 7102, 14204, 14363, 17755, 18157, 28726, 35510, 36314, 57452, 71020, 71815, 72628, 90785, 143630, 181570, 287260, 363140, 962321, 1924642, 3849284, 4811605, 9623210, 19246420]

約数ペア:

[(1, 19246420), (2, 9623210), (4, 4811605), (5, 3849284), (10, 1924642), (20, 962321), (53, 363140), (67, 287260), (106, 181570), (134, 143630), (212, 90785), (265, 72628), (268, 71815), (271, 71020), (335, 57452), (530, 36314), (542, 35510), (670, 28726), (1060, 18157), (1084, 17755), (1340, 14363), (1355, 14204), (2710, 7102), (3551, 5420)]