19799910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5641}}^1$

素因数の和:5670

約数の個数: 64

約数和(自身を含む): 56871360

約数和(自身を除く): 37071450

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 5641, 11282, 16923, 28205, 33846, 50769, 56410, 73333, 84615, 101538, 146666, 152307, 169230, 219999, 253845, 304614, 366665, 439998, 507690, 659997, 733330, 761535, 1099995, 1319994, 1523070, 1979991, 2199990, 3299985, 3959982, 6599970, 9899955, 19799910]

約数ペア:

[(1, 19799910), (2, 9899955), (3, 6599970), (5, 3959982), (6, 3299985), (9, 2199990), (10, 1979991), (13, 1523070), (15, 1319994), (18, 1099995), (26, 761535), (27, 733330), (30, 659997), (39, 507690), (45, 439998), (54, 366665), (65, 304614), (78, 253845), (90, 219999), (117, 169230), (130, 152307), (135, 146666), (195, 101538), (234, 84615), (270, 73333), (351, 56410), (390, 50769), (585, 33846), (702, 28205), (1170, 16923), (1755, 11282), (3510, 5641)]