18980890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 16477670

約数列:

[1, 2, 5, 10, 53, 59, 106, 118, 265, 295, 530, 590, 607, 1214, 3035, 3127, 6070, 6254, 15635, 31270, 32171, 35813, 64342, 71626, 160855, 179065, 321710, 358130, 1898089, 3796178, 9490445, 18980890]

約数ペア:

[(1, 18980890), (2, 9490445), (5, 3796178), (10, 1898089), (53, 358130), (59, 321710), (106, 179065), (118, 160855), (265, 71626), (295, 64342), (530, 35813), (590, 32171), (607, 31270), (1214, 15635), (3035, 6254), (3127, 6070)]