18850964080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1066231}}^1$

素因数の和:1066274

約数の個数: 80

約数和(自身を含む): 49976426304

約数和(自身を除く): 31125462224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 1066231, 2132462, 4264924, 5331155, 8529848, 10662310, 13861003, 17059696, 18125927, 21324620, 27722006, 36251854, 42649240, 55444012, 69305015, 72503708, 85298480, 90629635, 110888024, 138610030, 145007416, 181259270, 221776048, 235637051, 277220060, 290014832, 362518540, 471274102, 554440120, 725037080, 942548204, 1108880240, 1178185255, 1450074160, 1885096408, 2356370510, 3770192816, 4712741020, 9425482040, 18850964080]

約数ペア:

[(1, 18850964080), (2, 9425482040), (4, 4712741020), (5, 3770192816), (8, 2356370510), (10, 1885096408), (13, 1450074160), (16, 1178185255), (17, 1108880240), (20, 942548204), (26, 725037080), (34, 554440120), (40, 471274102), (52, 362518540), (65, 290014832), (68, 277220060), (80, 235637051), (85, 221776048), (104, 181259270), (130, 145007416), (136, 138610030), (170, 110888024), (208, 90629635), (221, 85298480), (260, 72503708), (272, 69305015), (340, 55444012), (442, 42649240), (520, 36251854), (680, 27722006), (884, 21324620), (1040, 18125927), (1105, 17059696), (1360, 13861003), (1768, 10662310), (2210, 8529848), (3536, 5331155), (4420, 4264924), (8840, 2132462), (17680, 1066231)]