16381820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9001}}^1$

素因数の和:9030

約数の個数: 48

約数和(自身を含む): 42345408

約数和(自身を除く): 25963588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9001, 18002, 36004, 45005, 63007, 90010, 117013, 126014, 180020, 234026, 252028, 315035, 468052, 585065, 630070, 819091, 1170130, 1260140, 1638182, 2340260, 3276364, 4095455, 8190910, 16381820]

約数ペア:

[(1, 16381820), (2, 8190910), (4, 4095455), (5, 3276364), (7, 2340260), (10, 1638182), (13, 1260140), (14, 1170130), (20, 819091), (26, 630070), (28, 585065), (35, 468052), (52, 315035), (65, 252028), (70, 234026), (91, 180020), (130, 126014), (140, 117013), (182, 90010), (260, 63007), (364, 45005), (455, 36004), (910, 18002), (1820, 9001)]