18128670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 50112000

約数和(自身を除く): 31983330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 173, 210, 346, 499, 519, 865, 998, 1038, 1211, 1497, 1730, 2422, 2495, 2595, 2994, 3493, 3633, 4990, 5190, 6055, 6986, 7266, 7485, 10479, 12110, 14970, 17465, 18165, 20958, 34930, 36330, 52395, 86327, 104790, 172654, 258981, 431635, 517962, 604289, 863270, 1208578, 1294905, 1812867, 2589810, 3021445, 3625734, 6042890, 9064335, 18128670]

約数ペア:

[(1, 18128670), (2, 9064335), (3, 6042890), (5, 3625734), (6, 3021445), (7, 2589810), (10, 1812867), (14, 1294905), (15, 1208578), (21, 863270), (30, 604289), (35, 517962), (42, 431635), (70, 258981), (105, 172654), (173, 104790), (210, 86327), (346, 52395), (499, 36330), (519, 34930), (865, 20958), (998, 18165), (1038, 17465), (1211, 14970), (1497, 12110), (1730, 10479), (2422, 7485), (2495, 7266), (2595, 6986), (2994, 6055), (3493, 5190), (3633, 4990)]