18824752

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 37765440

約数和(自身を除く): 18940688

約数列:

[1, 2, 4, 8, 16, 53, 79, 106, 158, 212, 281, 316, 424, 562, 632, 848, 1124, 1264, 2248, 4187, 4496, 8374, 14893, 16748, 22199, 29786, 33496, 44398, 59572, 66992, 88796, 119144, 177592, 238288, 355184, 1176547, 2353094, 4706188, 9412376, 18824752]

約数ペア:

[(1, 18824752), (2, 9412376), (4, 4706188), (8, 2353094), (16, 1176547), (53, 355184), (79, 238288), (106, 177592), (158, 119144), (212, 88796), (281, 66992), (316, 59572), (424, 44398), (562, 33496), (632, 29786), (848, 22199), (1124, 16748), (1264, 14893), (2248, 8374), (4187, 4496)]