18320328

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 57368220

約数和(自身を除く): 39047892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 37, 39, 46, 52, 69, 72, 74, 78, 92, 104, 111, 117, 138, 148, 156, 184, 207, 222, 234, 276, 296, 299, 312, 333, 414, 444, 468, 481, 529, 552, 598, 666, 828, 851, 888, 897, 936, 962, 1058, 1196, 1332, 1443, 1587, 1656, 1702, 1794, 1924, 2116, 2392, 2553, 2664, 2691, 2886, 3174, 3404, 3588, 3848, 4232, 4329, 4761, 5106, 5382, 5772, 6348, 6808, 6877, 7176, 7659, 8658, 9522, 10212, 10764, 11063, 11544, 12696, 13754, 15318, 17316, 19044, 19573, 20424, 20631, 21528, 22126, 27508, 30636, 33189, 34632, 38088, 39146, 41262, 44252, 55016, 58719, 61272, 61893, 66378, 78292, 82524, 88504, 99567, 117438, 123786, 132756, 156584, 165048, 176157, 199134, 234876, 247572, 254449, 265512, 352314, 398268, 469752, 495144, 508898, 704628, 763347, 796536, 1017796, 1409256, 1526694, 2035592, 2290041, 3053388, 4580082, 6106776, 9160164, 18320328]

約数ペア:

[(1, 18320328), (2, 9160164), (3, 6106776), (4, 4580082), (6, 3053388), (8, 2290041), (9, 2035592), (12, 1526694), (13, 1409256), (18, 1017796), (23, 796536), (24, 763347), (26, 704628), (36, 508898), (37, 495144), (39, 469752), (46, 398268), (52, 352314), (69, 265512), (72, 254449), (74, 247572), (78, 234876), (92, 199134), (104, 176157), (111, 165048), (117, 156584), (138, 132756), (148, 123786), (156, 117438), (184, 99567), (207, 88504), (222, 82524), (234, 78292), (276, 66378), (296, 61893), (299, 61272), (312, 58719), (333, 55016), (414, 44252), (444, 41262), (468, 39146), (481, 38088), (529, 34632), (552, 33189), (598, 30636), (666, 27508), (828, 22126), (851, 21528), (888, 20631), (897, 20424), (936, 19573), (962, 19044), (1058, 17316), (1196, 15318), (1332, 13754), (1443, 12696), (1587, 11544), (1656, 11063), (1702, 10764), (1794, 10212), (1924, 9522), (2116, 8658), (2392, 7659), (2553, 7176), (2664, 6877), (2691, 6808), (2886, 6348), (3174, 5772), (3404, 5382), (3588, 5106), (3848, 4761), (4232, 4329)]