18128766

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 38841120

約数和(自身を除く): 20712354

約数列:

[1, 2, 3, 6, 17, 34, 51, 89, 102, 178, 267, 534, 1513, 1997, 3026, 3994, 4539, 5991, 9078, 11982, 33949, 67898, 101847, 177733, 203694, 355466, 533199, 1066398, 3021461, 6042922, 9064383, 18128766]

約数ペア:

[(1, 18128766), (2, 9064383), (3, 6042922), (6, 3021461), (17, 1066398), (34, 533199), (51, 355466), (89, 203694), (102, 177733), (178, 101847), (267, 67898), (534, 33949), (1513, 11982), (1997, 9078), (3026, 5991), (3994, 4539)]