19589295

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 35392896

約数和(自身を除く): 15803601

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 121, 129, 165, 215, 251, 363, 473, 605, 645, 753, 1255, 1419, 1815, 2365, 2761, 3765, 5203, 7095, 8283, 10793, 13805, 15609, 26015, 30371, 32379, 41415, 53965, 78045, 91113, 118723, 151855, 161895, 356169, 455565, 593615, 1305953, 1780845, 3917859, 6529765, 19589295]

約数ペア:

[(1, 19589295), (3, 6529765), (5, 3917859), (11, 1780845), (15, 1305953), (33, 593615), (43, 455565), (55, 356169), (121, 161895), (129, 151855), (165, 118723), (215, 91113), (251, 78045), (363, 53965), (473, 41415), (605, 32379), (645, 30371), (753, 26015), (1255, 15609), (1419, 13805), (1815, 10793), (2365, 8283), (2761, 7095), (3765, 5203)]