18202665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 35078400

約数和(自身を除く): 16875735

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 195, 221, 247, 255, 285, 289, 323, 663, 741, 867, 969, 1105, 1235, 1445, 1615, 3315, 3705, 3757, 4199, 4335, 4845, 4913, 5491, 11271, 12597, 14739, 16473, 18785, 20995, 24565, 27455, 56355, 62985, 63869, 71383, 73695, 82365, 93347, 191607, 214149, 280041, 319345, 356915, 466735, 958035, 1070745, 1213511, 1400205, 3640533, 6067555, 18202665]

約数ペア:

[(1, 18202665), (3, 6067555), (5, 3640533), (13, 1400205), (15, 1213511), (17, 1070745), (19, 958035), (39, 466735), (51, 356915), (57, 319345), (65, 280041), (85, 214149), (95, 191607), (195, 93347), (221, 82365), (247, 73695), (255, 71383), (285, 63869), (289, 62985), (323, 56355), (663, 27455), (741, 24565), (867, 20995), (969, 18785), (1105, 16473), (1235, 14739), (1445, 12597), (1615, 11271), (3315, 5491), (3705, 4913), (3757, 4845), (4199, 4335)]