18801328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 46177600

約数和(自身を除く): 27376272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 182, 208, 259, 296, 349, 364, 481, 518, 592, 698, 728, 962, 1036, 1396, 1456, 1924, 2072, 2443, 2792, 3367, 3848, 4144, 4537, 4886, 5584, 6734, 7696, 9074, 9772, 12913, 13468, 18148, 19544, 25826, 26936, 31759, 36296, 39088, 51652, 53872, 63518, 72592, 90391, 103304, 127036, 167869, 180782, 206608, 254072, 335738, 361564, 508144, 671476, 723128, 1175083, 1342952, 1446256, 2350166, 2685904, 4700332, 9400664, 18801328]

約数ペア:

[(1, 18801328), (2, 9400664), (4, 4700332), (7, 2685904), (8, 2350166), (13, 1446256), (14, 1342952), (16, 1175083), (26, 723128), (28, 671476), (37, 508144), (52, 361564), (56, 335738), (74, 254072), (91, 206608), (104, 180782), (112, 167869), (148, 127036), (182, 103304), (208, 90391), (259, 72592), (296, 63518), (349, 53872), (364, 51652), (481, 39088), (518, 36296), (592, 31759), (698, 26936), (728, 25826), (962, 19544), (1036, 18148), (1396, 13468), (1456, 12913), (1924, 9772), (2072, 9074), (2443, 7696), (2792, 6734), (3367, 5584), (3848, 4886), (4144, 4537)]