19842540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1483}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 55845888

約数和(自身を除く): 36003348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 1483, 2230, 2676, 2966, 3345, 4449, 4460, 5932, 6690, 7415, 8898, 13380, 14830, 17796, 22245, 29660, 44490, 88980, 330709, 661418, 992127, 1322836, 1653545, 1984254, 3307090, 3968508, 4960635, 6614180, 9921270, 19842540]

約数ペア:

[(1, 19842540), (2, 9921270), (3, 6614180), (4, 4960635), (5, 3968508), (6, 3307090), (10, 1984254), (12, 1653545), (15, 1322836), (20, 992127), (30, 661418), (60, 330709), (223, 88980), (446, 44490), (669, 29660), (892, 22245), (1115, 17796), (1338, 14830), (1483, 13380), (2230, 8898), (2676, 7415), (2966, 6690), (3345, 5932), (4449, 4460)]