18548608

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 40612320

約数和(自身を除く): 22063712

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 157, 208, 284, 314, 416, 568, 628, 832, 923, 1136, 1256, 1664, 1846, 2041, 2272, 2512, 3692, 4082, 4544, 5024, 7384, 8164, 9088, 10048, 11147, 14768, 16328, 20096, 22294, 29536, 32656, 44588, 59072, 65312, 89176, 118144, 130624, 144911, 178352, 261248, 289822, 356704, 579644, 713408, 1159288, 1426816, 2318576, 4637152, 9274304, 18548608]

約数ペア:

[(1, 18548608), (2, 9274304), (4, 4637152), (8, 2318576), (13, 1426816), (16, 1159288), (26, 713408), (32, 579644), (52, 356704), (64, 289822), (71, 261248), (104, 178352), (128, 144911), (142, 130624), (157, 118144), (208, 89176), (284, 65312), (314, 59072), (416, 44588), (568, 32656), (628, 29536), (832, 22294), (923, 20096), (1136, 16328), (1256, 14768), (1664, 11147), (1846, 10048), (2041, 9088), (2272, 8164), (2512, 7384), (3692, 5024), (4082, 4544)]