18969106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 33796224

約数和(自身を除く): 14827118

約数列:

[1, 2, 13, 19, 26, 38, 43, 47, 86, 94, 247, 361, 494, 559, 611, 722, 817, 893, 1118, 1222, 1634, 1786, 2021, 4042, 4693, 9386, 10621, 11609, 15523, 16967, 21242, 23218, 26273, 31046, 33934, 38399, 52546, 76798, 201799, 220571, 403598, 441142, 499187, 729581, 998374, 1459162, 9484553, 18969106]

約数ペア:

[(1, 18969106), (2, 9484553), (13, 1459162), (19, 998374), (26, 729581), (38, 499187), (43, 441142), (47, 403598), (86, 220571), (94, 201799), (247, 76798), (361, 52546), (494, 38399), (559, 33934), (611, 31046), (722, 26273), (817, 23218), (893, 21242), (1118, 16967), (1222, 15523), (1634, 11609), (1786, 10621), (2021, 9386), (4042, 4693)]