18475192

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 37687320

約数和(自身を除く): 19212128

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 131, 136, 244, 262, 289, 488, 524, 578, 1037, 1048, 1156, 2074, 2227, 2312, 4148, 4454, 7991, 8296, 8908, 15982, 17629, 17816, 31964, 35258, 37859, 63928, 70516, 75718, 135847, 141032, 151436, 271694, 302872, 543388, 1086776, 2309399, 4618798, 9237596, 18475192]

約数ペア:

[(1, 18475192), (2, 9237596), (4, 4618798), (8, 2309399), (17, 1086776), (34, 543388), (61, 302872), (68, 271694), (122, 151436), (131, 141032), (136, 135847), (244, 75718), (262, 70516), (289, 63928), (488, 37859), (524, 35258), (578, 31964), (1037, 17816), (1048, 17629), (1156, 15982), (2074, 8908), (2227, 8296), (2312, 7991), (4148, 4454)]