18502580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 44755200

約数和(自身を除く): 26252620

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 29, 38, 46, 58, 73, 76, 92, 95, 115, 116, 145, 146, 190, 230, 290, 292, 365, 380, 437, 460, 551, 580, 667, 730, 874, 1102, 1334, 1387, 1460, 1679, 1748, 2117, 2185, 2204, 2668, 2755, 2774, 3335, 3358, 4234, 4370, 5510, 5548, 6670, 6716, 6935, 8395, 8468, 8740, 10585, 11020, 12673, 13340, 13870, 16790, 21170, 25346, 27740, 31901, 33580, 40223, 42340, 48691, 50692, 63365, 63802, 80446, 97382, 126730, 127604, 159505, 160892, 194764, 201115, 243455, 253460, 319010, 402230, 486910, 638020, 804460, 925129, 973820, 1850258, 3700516, 4625645, 9251290, 18502580]

約数ペア:

[(1, 18502580), (2, 9251290), (4, 4625645), (5, 3700516), (10, 1850258), (19, 973820), (20, 925129), (23, 804460), (29, 638020), (38, 486910), (46, 402230), (58, 319010), (73, 253460), (76, 243455), (92, 201115), (95, 194764), (115, 160892), (116, 159505), (145, 127604), (146, 126730), (190, 97382), (230, 80446), (290, 63802), (292, 63365), (365, 50692), (380, 48691), (437, 42340), (460, 40223), (551, 33580), (580, 31901), (667, 27740), (730, 25346), (874, 21170), (1102, 16790), (1334, 13870), (1387, 13340), (1460, 12673), (1679, 11020), (1748, 10585), (2117, 8740), (2185, 8468), (2204, 8395), (2668, 6935), (2755, 6716), (2774, 6670), (3335, 5548), (3358, 5510), (4234, 4370)]