18704998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 32387040

約数和(自身を除く): 13682042

約数列:

[1, 2, 13, 17, 26, 34, 101, 202, 221, 419, 442, 838, 1313, 1717, 2626, 3434, 5447, 7123, 10894, 14246, 22321, 42319, 44642, 84638, 92599, 185198, 550147, 719423, 1100294, 1438846, 9352499, 18704998]

約数ペア:

[(1, 18704998), (2, 9352499), (13, 1438846), (17, 1100294), (26, 719423), (34, 550147), (101, 185198), (202, 92599), (221, 84638), (419, 44642), (442, 42319), (838, 22321), (1313, 14246), (1717, 10894), (2626, 7123), (3434, 5447)]