19814028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 50168160

約数和(自身を除く): 30354132

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 157, 314, 471, 628, 809, 942, 1618, 1884, 2041, 2427, 3236, 4082, 4854, 6123, 8164, 9708, 10517, 12246, 21034, 24492, 31551, 42068, 63102, 126204, 127013, 254026, 381039, 508052, 762078, 1524156, 1651169, 3302338, 4953507, 6604676, 9907014, 19814028]

約数ペア:

[(1, 19814028), (2, 9907014), (3, 6604676), (4, 4953507), (6, 3302338), (12, 1651169), (13, 1524156), (26, 762078), (39, 508052), (52, 381039), (78, 254026), (156, 127013), (157, 126204), (314, 63102), (471, 42068), (628, 31551), (809, 24492), (942, 21034), (1618, 12246), (1884, 10517), (2041, 9708), (2427, 8164), (3236, 6123), (4082, 4854)]