18778112

素因数分解:

$2^{11}\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 38476620

約数和(自身を除く): 19698508

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 173, 212, 256, 346, 424, 512, 692, 848, 1024, 1384, 1696, 2048, 2768, 3392, 5536, 6784, 9169, 11072, 13568, 18338, 22144, 27136, 36676, 44288, 54272, 73352, 88576, 108544, 146704, 177152, 293408, 354304, 586816, 1173632, 2347264, 4694528, 9389056, 18778112]

約数ペア:

[(1, 18778112), (2, 9389056), (4, 4694528), (8, 2347264), (16, 1173632), (32, 586816), (53, 354304), (64, 293408), (106, 177152), (128, 146704), (173, 108544), (212, 88576), (256, 73352), (346, 54272), (424, 44288), (512, 36676), (692, 27136), (848, 22144), (1024, 18338), (1384, 13568), (1696, 11072), (2048, 9169), (2768, 6784), (3392, 5536)]