17860190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 36426240

約数和(自身を除く): 18566050

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 61, 67, 95, 115, 122, 134, 190, 230, 305, 335, 437, 610, 670, 874, 1159, 1273, 1403, 1541, 2185, 2318, 2546, 2806, 3082, 4087, 4370, 5795, 6365, 7015, 7705, 8174, 11590, 12730, 14030, 15410, 20435, 26657, 29279, 40870, 53314, 58558, 77653, 94001, 133285, 146395, 155306, 188002, 266570, 292790, 388265, 470005, 776530, 940010, 1786019, 3572038, 8930095, 17860190]

約数ペア:

[(1, 17860190), (2, 8930095), (5, 3572038), (10, 1786019), (19, 940010), (23, 776530), (38, 470005), (46, 388265), (61, 292790), (67, 266570), (95, 188002), (115, 155306), (122, 146395), (134, 133285), (190, 94001), (230, 77653), (305, 58558), (335, 53314), (437, 40870), (610, 29279), (670, 26657), (874, 20435), (1159, 15410), (1273, 14030), (1403, 12730), (1541, 11590), (2185, 8174), (2318, 7705), (2546, 7015), (2806, 6365), (3082, 5795), (4087, 4370)]