19148350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 38903760

約数和(自身を除く): 19755410

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 178, 325, 331, 445, 650, 662, 890, 1157, 1655, 2225, 2314, 3310, 4303, 4450, 5785, 8275, 8606, 11570, 16550, 21515, 28925, 29459, 43030, 57850, 58918, 107575, 147295, 215150, 294590, 382967, 736475, 765934, 1472950, 1914835, 3829670, 9574175, 19148350]

約数ペア:

[(1, 19148350), (2, 9574175), (5, 3829670), (10, 1914835), (13, 1472950), (25, 765934), (26, 736475), (50, 382967), (65, 294590), (89, 215150), (130, 147295), (178, 107575), (325, 58918), (331, 57850), (445, 43030), (650, 29459), (662, 28925), (890, 21515), (1157, 16550), (1655, 11570), (2225, 8606), (2314, 8275), (3310, 5785), (4303, 4450)]