18286892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 36879360

約数和(自身を除く): 18592468

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 83, 166, 223, 247, 332, 446, 494, 892, 988, 1079, 1577, 2158, 2899, 3154, 4237, 4316, 5798, 6308, 8474, 11596, 16948, 18509, 20501, 37018, 41002, 55081, 74036, 82004, 110162, 220324, 240617, 351671, 481234, 703342, 962468, 1406684, 4571723, 9143446, 18286892]

約数ペア:

[(1, 18286892), (2, 9143446), (4, 4571723), (13, 1406684), (19, 962468), (26, 703342), (38, 481234), (52, 351671), (76, 240617), (83, 220324), (166, 110162), (223, 82004), (247, 74036), (332, 55081), (446, 41002), (494, 37018), (892, 20501), (988, 18509), (1079, 16948), (1577, 11596), (2158, 8474), (2899, 6308), (3154, 5798), (4237, 4316)]