19953178515

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{44221}}^1$

素因数の和:44540

約数の個数: 48

約数和(自身を含む): 35652130176

約数和(自身を除く): 15698951661

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 271, 333, 555, 813, 1355, 1665, 2439, 4065, 10027, 12195, 30081, 44221, 50135, 90243, 132663, 150405, 221105, 397989, 451215, 663315, 1636177, 1989945, 4908531, 8180885, 11983891, 14725593, 24542655, 35951673, 59919455, 73627965, 107855019, 179758365, 443403967, 539275095, 1330211901, 2217019835, 3990635703, 6651059505, 19953178515]

約数ペア:

[(1, 19953178515), (3, 6651059505), (5, 3990635703), (9, 2217019835), (15, 1330211901), (37, 539275095), (45, 443403967), (111, 179758365), (185, 107855019), (271, 73627965), (333, 59919455), (555, 35951673), (813, 24542655), (1355, 14725593), (1665, 11983891), (2439, 8180885), (4065, 4908531), (10027, 1989945), (12195, 1636177), (30081, 663315), (44221, 451215), (50135, 397989), (90243, 221105), (132663, 150405)]