19830370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 23507870

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 109, 113, 115, 161, 218, 226, 230, 322, 545, 565, 763, 791, 805, 1090, 1130, 1526, 1582, 1610, 2507, 2599, 3815, 3955, 5014, 5198, 7630, 7910, 12317, 12535, 12995, 17549, 18193, 24634, 25070, 25990, 35098, 36386, 61585, 86219, 87745, 90965, 123170, 172438, 175490, 181930, 283291, 431095, 566582, 862190, 1416455, 1983037, 2832910, 3966074, 9915185, 19830370]

約数ペア:

[(1, 19830370), (2, 9915185), (5, 3966074), (7, 2832910), (10, 1983037), (14, 1416455), (23, 862190), (35, 566582), (46, 431095), (70, 283291), (109, 181930), (113, 175490), (115, 172438), (161, 123170), (218, 90965), (226, 87745), (230, 86219), (322, 61585), (545, 36386), (565, 35098), (763, 25990), (791, 25070), (805, 24634), (1090, 18193), (1130, 17549), (1526, 12995), (1582, 12535), (1610, 12317), (2507, 7910), (2599, 7630), (3815, 5198), (3955, 5014)]