19872690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 50512896

約数和(自身を除く): 30640206

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 83, 115, 138, 166, 230, 249, 345, 347, 415, 498, 690, 694, 830, 1041, 1245, 1735, 1909, 2082, 2490, 3470, 3818, 5205, 5727, 7981, 9545, 10410, 11454, 15962, 19090, 23943, 28635, 28801, 39905, 47886, 57270, 57602, 79810, 86403, 119715, 144005, 172806, 239430, 288010, 432015, 662423, 864030, 1324846, 1987269, 3312115, 3974538, 6624230, 9936345, 19872690]

約数ペア:

[(1, 19872690), (2, 9936345), (3, 6624230), (5, 3974538), (6, 3312115), (10, 1987269), (15, 1324846), (23, 864030), (30, 662423), (46, 432015), (69, 288010), (83, 239430), (115, 172806), (138, 144005), (166, 119715), (230, 86403), (249, 79810), (345, 57602), (347, 57270), (415, 47886), (498, 39905), (690, 28801), (694, 28635), (830, 23943), (1041, 19090), (1245, 15962), (1735, 11454), (1909, 10410), (2082, 9545), (2490, 7981), (3470, 5727), (3818, 5205)]