18375850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:112

約数の個数: 72

約数和(自身を含む): 38881440

約数和(自身を除く): 20505590

約数列:

[1, 2, 5, 10, 19, 23, 25, 29, 38, 46, 50, 58, 95, 115, 145, 190, 230, 290, 437, 475, 551, 575, 667, 725, 841, 874, 950, 1102, 1150, 1334, 1450, 1682, 2185, 2755, 3335, 4205, 4370, 5510, 6670, 8410, 10925, 12673, 13775, 15979, 16675, 19343, 21025, 21850, 25346, 27550, 31958, 33350, 38686, 42050, 63365, 79895, 96715, 126730, 159790, 193430, 316825, 367517, 399475, 483575, 633650, 735034, 798950, 967150, 1837585, 3675170, 9187925, 18375850]

約数ペア:

[(1, 18375850), (2, 9187925), (5, 3675170), (10, 1837585), (19, 967150), (23, 798950), (25, 735034), (29, 633650), (38, 483575), (46, 399475), (50, 367517), (58, 316825), (95, 193430), (115, 159790), (145, 126730), (190, 96715), (230, 79895), (290, 63365), (437, 42050), (475, 38686), (551, 33350), (575, 31958), (667, 27550), (725, 25346), (841, 21850), (874, 21025), (950, 19343), (1102, 16675), (1150, 15979), (1334, 13775), (1450, 12673), (1682, 10925), (2185, 8410), (2755, 6670), (3335, 5510), (4205, 4370)]