18233440

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1373}}^1$

素因数の和:1471

約数の個数: 48

約数和(自身を含む): 43627248

約数和(自身を除く): 25393808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1373, 1660, 2656, 2746, 3320, 5492, 6640, 6865, 10984, 13280, 13730, 21968, 27460, 43936, 54920, 109840, 113959, 219680, 227918, 455836, 569795, 911672, 1139590, 1823344, 2279180, 3646688, 4558360, 9116720, 18233440]

約数ペア:

[(1, 18233440), (2, 9116720), (4, 4558360), (5, 3646688), (8, 2279180), (10, 1823344), (16, 1139590), (20, 911672), (32, 569795), (40, 455836), (80, 227918), (83, 219680), (160, 113959), (166, 109840), (332, 54920), (415, 43936), (664, 27460), (830, 21968), (1328, 13730), (1373, 13280), (1660, 10984), (2656, 6865), (2746, 6640), (3320, 5492)]