18237128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 44271360

約数和(自身を除く): 26034232

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 47, 52, 56, 82, 91, 94, 104, 164, 169, 182, 188, 287, 328, 329, 338, 364, 376, 533, 574, 611, 658, 676, 728, 1066, 1148, 1183, 1222, 1316, 1352, 1927, 2132, 2296, 2366, 2444, 2632, 3731, 3854, 4264, 4277, 4732, 4888, 6929, 7462, 7708, 7943, 8554, 9464, 13489, 13858, 14924, 15416, 15886, 17108, 25051, 26978, 27716, 29848, 31772, 34216, 48503, 50102, 53956, 55432, 55601, 63544, 97006, 100204, 107912, 111202, 175357, 194012, 200408, 222404, 325663, 350714, 388024, 444808, 651326, 701428, 1302652, 1402856, 2279641, 2605304, 4559282, 9118564, 18237128]

約数ペア:

[(1, 18237128), (2, 9118564), (4, 4559282), (7, 2605304), (8, 2279641), (13, 1402856), (14, 1302652), (26, 701428), (28, 651326), (41, 444808), (47, 388024), (52, 350714), (56, 325663), (82, 222404), (91, 200408), (94, 194012), (104, 175357), (164, 111202), (169, 107912), (182, 100204), (188, 97006), (287, 63544), (328, 55601), (329, 55432), (338, 53956), (364, 50102), (376, 48503), (533, 34216), (574, 31772), (611, 29848), (658, 27716), (676, 26978), (728, 25051), (1066, 17108), (1148, 15886), (1183, 15416), (1222, 14924), (1316, 13858), (1352, 13489), (1927, 9464), (2132, 8554), (2296, 7943), (2366, 7708), (2444, 7462), (2632, 6929), (3731, 4888), (3854, 4732), (4264, 4277)]