18412976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1637}}^1$

素因数の和:1701

約数の個数: 40

約数和(自身を含む): 38591280

約数和(自身を除く): 20178304

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 1637, 2812, 3274, 5624, 6548, 11248, 13096, 26192, 31103, 60569, 62206, 121138, 124412, 242276, 248824, 484552, 497648, 969104, 1150811, 2301622, 4603244, 9206488, 18412976]

約数ペア:

[(1, 18412976), (2, 9206488), (4, 4603244), (8, 2301622), (16, 1150811), (19, 969104), (37, 497648), (38, 484552), (74, 248824), (76, 242276), (148, 124412), (152, 121138), (296, 62206), (304, 60569), (592, 31103), (703, 26192), (1406, 13096), (1637, 11248), (2812, 6548), (3274, 5624)]