19442835

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 35469456

約数和(自身を除く): 16026621

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 787, 915, 1647, 2361, 2745, 3935, 4941, 7083, 8235, 11805, 21249, 24705, 35415, 48007, 63747, 106245, 144021, 240035, 318735, 432063, 720105, 1296189, 2160315, 3888567, 6480945, 19442835]

約数ペア:

[(1, 19442835), (3, 6480945), (5, 3888567), (9, 2160315), (15, 1296189), (27, 720105), (45, 432063), (61, 318735), (81, 240035), (135, 144021), (183, 106245), (305, 63747), (405, 48007), (549, 35415), (787, 24705), (915, 21249), (1647, 11805), (2361, 8235), (2745, 7083), (3935, 4941)]