18101872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1177

約数の個数: 40

約数和(自身を含む): 37778832

約数和(自身を除く): 19676960

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 1091, 2074, 2182, 4148, 4364, 8296, 8728, 16592, 17456, 18547, 37094, 66551, 74188, 133102, 148376, 266204, 296752, 532408, 1064816, 1131367, 2262734, 4525468, 9050936, 18101872]

約数ペア:

[(1, 18101872), (2, 9050936), (4, 4525468), (8, 2262734), (16, 1131367), (17, 1064816), (34, 532408), (61, 296752), (68, 266204), (122, 148376), (136, 133102), (244, 74188), (272, 66551), (488, 37094), (976, 18547), (1037, 17456), (1091, 16592), (2074, 8728), (2182, 8296), (4148, 4364)]