19589235

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 32378880

約数和(自身を除く): 12789645

約数列:

[1, 3, 5, 15, 61, 79, 183, 237, 271, 305, 395, 813, 915, 1185, 1355, 4065, 4819, 14457, 16531, 21409, 24095, 49593, 64227, 72285, 82655, 107045, 247965, 321135, 1305949, 3917847, 6529745, 19589235]

約数ペア:

[(1, 19589235), (3, 6529745), (5, 3917847), (15, 1305949), (61, 321135), (79, 247965), (183, 107045), (237, 82655), (271, 72285), (305, 64227), (395, 49593), (813, 24095), (915, 21409), (1185, 16531), (1355, 14457), (4065, 4819)]