19907592

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 52920000

約数和(自身を除く): 33012408

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 149, 152, 228, 293, 298, 447, 456, 586, 596, 879, 894, 1172, 1192, 1758, 1788, 2344, 2831, 3516, 3576, 5567, 5662, 7032, 8493, 11134, 11324, 16701, 16986, 22268, 22648, 33402, 33972, 43657, 44536, 66804, 67944, 87314, 130971, 133608, 174628, 261942, 349256, 523884, 829483, 1047768, 1658966, 2488449, 3317932, 4976898, 6635864, 9953796, 19907592]

約数ペア:

[(1, 19907592), (2, 9953796), (3, 6635864), (4, 4976898), (6, 3317932), (8, 2488449), (12, 1658966), (19, 1047768), (24, 829483), (38, 523884), (57, 349256), (76, 261942), (114, 174628), (149, 133608), (152, 130971), (228, 87314), (293, 67944), (298, 66804), (447, 44536), (456, 43657), (586, 33972), (596, 33402), (879, 22648), (894, 22268), (1172, 16986), (1192, 16701), (1758, 11324), (1788, 11134), (2344, 8493), (2831, 7032), (3516, 5662), (3576, 5567)]