18894008

素因数分解:

$2^3\times 7^2\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 41607720

約数和(自身を除く): 22713712

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 157, 196, 307, 314, 392, 614, 628, 1099, 1228, 1256, 2149, 2198, 2456, 4298, 4396, 7693, 8596, 8792, 15043, 15386, 17192, 30086, 30772, 48199, 60172, 61544, 96398, 120344, 192796, 337393, 385592, 674786, 1349572, 2361751, 2699144, 4723502, 9447004, 18894008]

約数ペア:

[(1, 18894008), (2, 9447004), (4, 4723502), (7, 2699144), (8, 2361751), (14, 1349572), (28, 674786), (49, 385592), (56, 337393), (98, 192796), (157, 120344), (196, 96398), (307, 61544), (314, 60172), (392, 48199), (614, 30772), (628, 30086), (1099, 17192), (1228, 15386), (1256, 15043), (2149, 8792), (2198, 8596), (2456, 7693), (4298, 4396)]