18980745550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{621301}}^1$

素因数の和:621373

約数の個数: 48

約数和(自身を含む): 38828889792

約数和(自身を除く): 19848144242

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 235, 325, 470, 611, 650, 1175, 1222, 2350, 3055, 6110, 15275, 30550, 621301, 1242602, 3106505, 6213010, 8076913, 15532525, 16153826, 29201147, 31065050, 40384565, 58402294, 80769130, 146005735, 201922825, 292011470, 379614911, 403845650, 730028675, 759229822, 1460057350, 1898074555, 3796149110, 9490372775, 18980745550]

約数ペア:

[(1, 18980745550), (2, 9490372775), (5, 3796149110), (10, 1898074555), (13, 1460057350), (25, 759229822), (26, 730028675), (47, 403845650), (50, 379614911), (65, 292011470), (94, 201922825), (130, 146005735), (235, 80769130), (325, 58402294), (470, 40384565), (611, 31065050), (650, 29201147), (1175, 16153826), (1222, 15532525), (2350, 8076913), (3055, 6213010), (6110, 3106505), (15275, 1242602), (30550, 621301)]