19899204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 50332800

約数和(自身を除く): 30433596

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199, 398, 597, 641, 796, 1194, 1282, 1923, 2388, 2564, 2587, 3846, 5174, 7692, 7761, 8333, 10348, 15522, 16666, 24999, 31044, 33332, 49998, 99996, 127559, 255118, 382677, 510236, 765354, 1530708, 1658267, 3316534, 4974801, 6633068, 9949602, 19899204]

約数ペア:

[(1, 19899204), (2, 9949602), (3, 6633068), (4, 4974801), (6, 3316534), (12, 1658267), (13, 1530708), (26, 765354), (39, 510236), (52, 382677), (78, 255118), (156, 127559), (199, 99996), (398, 49998), (597, 33332), (641, 31044), (796, 24999), (1194, 16666), (1282, 15522), (1923, 10348), (2388, 8333), (2564, 7761), (2587, 7692), (3846, 5174)]