19161584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5419}}^1$

素因数の和:5457

約数の個数: 40

約数和(自身を含む): 42341040

約数和(自身を除く): 23179456

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5419, 10838, 21676, 43352, 70447, 86704, 92123, 140894, 184246, 281788, 368492, 563576, 736984, 1127152, 1197599, 1473968, 2395198, 4790396, 9580792, 19161584]

約数ペア:

[(1, 19161584), (2, 9580792), (4, 4790396), (8, 2395198), (13, 1473968), (16, 1197599), (17, 1127152), (26, 736984), (34, 563576), (52, 368492), (68, 281788), (104, 184246), (136, 140894), (208, 92123), (221, 86704), (272, 70447), (442, 43352), (884, 21676), (1768, 10838), (3536, 5419)]