18498889744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{908233}}^1$

素因数の和:908327

約数の個数: 40

約数和(自身を含む): 38291145440

約数和(自身を除く): 19792255696

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 1072, 1273, 2546, 5092, 10184, 20368, 908233, 1816466, 3632932, 7265864, 14531728, 17256427, 34512854, 60851611, 69025708, 121703222, 138051416, 243406444, 276102832, 486812888, 973625776, 1156180609, 2312361218, 4624722436, 9249444872, 18498889744]

約数ペア:

[(1, 18498889744), (2, 9249444872), (4, 4624722436), (8, 2312361218), (16, 1156180609), (19, 973625776), (38, 486812888), (67, 276102832), (76, 243406444), (134, 138051416), (152, 121703222), (268, 69025708), (304, 60851611), (536, 34512854), (1072, 17256427), (1273, 14531728), (2546, 7265864), (5092, 3632932), (10184, 1816466), (20368, 908233)]