18990078

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 39024384

約数和(自身を除く): 20034306

約数列:

[1, 2, 3, 6, 67, 97, 134, 194, 201, 291, 402, 487, 582, 974, 1461, 2922, 6499, 12998, 19497, 32629, 38994, 47239, 65258, 94478, 97887, 141717, 195774, 283434, 3165013, 6330026, 9495039, 18990078]

約数ペア:

[(1, 18990078), (2, 9495039), (3, 6330026), (6, 3165013), (67, 283434), (97, 195774), (134, 141717), (194, 97887), (201, 94478), (291, 65258), (402, 47239), (487, 38994), (582, 32629), (974, 19497), (1461, 12998), (2922, 6499)]