19815250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 46590336

約数和(自身を除く): 26775086

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 67, 70, 91, 125, 130, 134, 169, 175, 182, 250, 325, 335, 338, 350, 455, 469, 650, 670, 845, 871, 875, 910, 938, 1183, 1625, 1675, 1690, 1742, 1750, 2275, 2345, 2366, 3250, 3350, 4225, 4355, 4550, 4690, 5915, 6097, 8375, 8450, 8710, 11323, 11375, 11725, 11830, 12194, 16750, 21125, 21775, 22646, 22750, 23450, 29575, 30485, 42250, 43550, 56615, 58625, 59150, 60970, 79261, 108875, 113230, 117250, 147875, 152425, 158522, 217750, 283075, 295750, 304850, 396305, 566150, 762125, 792610, 1415375, 1524250, 1981525, 2830750, 3963050, 9907625, 19815250]

約数ペア:

[(1, 19815250), (2, 9907625), (5, 3963050), (7, 2830750), (10, 1981525), (13, 1524250), (14, 1415375), (25, 792610), (26, 762125), (35, 566150), (50, 396305), (65, 304850), (67, 295750), (70, 283075), (91, 217750), (125, 158522), (130, 152425), (134, 147875), (169, 117250), (175, 113230), (182, 108875), (250, 79261), (325, 60970), (335, 59150), (338, 58625), (350, 56615), (455, 43550), (469, 42250), (650, 30485), (670, 29575), (845, 23450), (871, 22750), (875, 22646), (910, 21775), (938, 21125), (1183, 16750), (1625, 12194), (1675, 11830), (1690, 11725), (1742, 11375), (1750, 11323), (2275, 8710), (2345, 8450), (2366, 8375), (3250, 6097), (3350, 5915), (4225, 4690), (4355, 4550)]