19105180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 42928704

約数和(自身を除く): 23823524

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1013, 1886, 2026, 3772, 4052, 4715, 5065, 9430, 10130, 18860, 20260, 23299, 41533, 46598, 83066, 93196, 116495, 166132, 207665, 232990, 415330, 465980, 830660, 955259, 1910518, 3821036, 4776295, 9552590, 19105180]

約数ペア:

[(1, 19105180), (2, 9552590), (4, 4776295), (5, 3821036), (10, 1910518), (20, 955259), (23, 830660), (41, 465980), (46, 415330), (82, 232990), (92, 207665), (115, 166132), (164, 116495), (205, 93196), (230, 83066), (410, 46598), (460, 41533), (820, 23299), (943, 20260), (1013, 18860), (1886, 10130), (2026, 9430), (3772, 5065), (4052, 4715)]