19761248

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 42582960

約数和(自身を除く): 22821712

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 709, 871, 1072, 1418, 1742, 2144, 2836, 3484, 5672, 6968, 9217, 11344, 13936, 18434, 22688, 27872, 36868, 47503, 73736, 95006, 147472, 190012, 294944, 380024, 617539, 760048, 1235078, 1520096, 2470156, 4940312, 9880624, 19761248]

約数ペア:

[(1, 19761248), (2, 9880624), (4, 4940312), (8, 2470156), (13, 1520096), (16, 1235078), (26, 760048), (32, 617539), (52, 380024), (67, 294944), (104, 190012), (134, 147472), (208, 95006), (268, 73736), (416, 47503), (536, 36868), (709, 27872), (871, 22688), (1072, 18434), (1418, 13936), (1742, 11344), (2144, 9217), (2836, 6968), (3484, 5672)]