19411980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46219}}^1$

素因数の和:46238

約数の個数: 48

約数和(自身を含む): 62119680

約数和(自身を除く): 42707700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46219, 92438, 138657, 184876, 231095, 277314, 323533, 462190, 554628, 647066, 693285, 924380, 970599, 1294132, 1386570, 1617665, 1941198, 2773140, 3235330, 3882396, 4852995, 6470660, 9705990, 19411980]

約数ペア:

[(1, 19411980), (2, 9705990), (3, 6470660), (4, 4852995), (5, 3882396), (6, 3235330), (7, 2773140), (10, 1941198), (12, 1617665), (14, 1386570), (15, 1294132), (20, 970599), (21, 924380), (28, 693285), (30, 647066), (35, 554628), (42, 462190), (60, 323533), (70, 277314), (84, 231095), (105, 184876), (140, 138657), (210, 92438), (420, 46219)]