18969680

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4019}}^1$

素因数の和:4091

約数の個数: 40

約数和(自身を含む): 44863200

約数和(自身を除く): 25893520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4019, 4720, 8038, 16076, 20095, 32152, 40190, 64304, 80380, 160760, 237121, 321520, 474242, 948484, 1185605, 1896968, 2371210, 3793936, 4742420, 9484840, 18969680]

約数ペア:

[(1, 18969680), (2, 9484840), (4, 4742420), (5, 3793936), (8, 2371210), (10, 1896968), (16, 1185605), (20, 948484), (40, 474242), (59, 321520), (80, 237121), (118, 160760), (236, 80380), (295, 64304), (472, 40190), (590, 32152), (944, 20095), (1180, 16076), (2360, 8038), (4019, 4720)]