19864962

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3691}}^1$

素因数の和:3735

約数の個数: 48

約数和(自身を含む): 48379968

約数和(自身を除く): 28515006

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 3691, 5382, 7382, 11073, 22146, 33219, 47983, 66438, 84893, 95966, 143949, 169786, 254679, 287898, 431847, 509358, 764037, 863694, 1103609, 1528074, 2207218, 3310827, 6621654, 9932481, 19864962]

約数ペア:

[(1, 19864962), (2, 9932481), (3, 6621654), (6, 3310827), (9, 2207218), (13, 1528074), (18, 1103609), (23, 863694), (26, 764037), (39, 509358), (46, 431847), (69, 287898), (78, 254679), (117, 169786), (138, 143949), (207, 95966), (234, 84893), (299, 66438), (414, 47983), (598, 33219), (897, 22146), (1794, 11073), (2691, 7382), (3691, 5382)]