19087754

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 35283456

約数和(自身を除く): 16195702

約数列:

[1, 2, 7, 14, 31, 49, 61, 62, 98, 103, 122, 206, 217, 427, 434, 721, 854, 1442, 1519, 1891, 2989, 3038, 3193, 3782, 5047, 5978, 6283, 6386, 10094, 12566, 13237, 22351, 26474, 43981, 44702, 87962, 92659, 156457, 185318, 194773, 307867, 312914, 389546, 615734, 1363411, 2726822, 9543877, 19087754]

約数ペア:

[(1, 19087754), (2, 9543877), (7, 2726822), (14, 1363411), (31, 615734), (49, 389546), (61, 312914), (62, 307867), (98, 194773), (103, 185318), (122, 156457), (206, 92659), (217, 87962), (427, 44702), (434, 43981), (721, 26474), (854, 22351), (1442, 13237), (1519, 12566), (1891, 10094), (2989, 6386), (3038, 6283), (3193, 5978), (3782, 5047)]