17538980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 38377584

約数和(自身を除く): 20838604

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 293, 365, 410, 586, 730, 820, 1172, 1460, 1465, 2930, 2993, 5860, 5986, 11972, 12013, 14965, 21389, 24026, 29930, 42778, 48052, 59860, 60065, 85556, 106945, 120130, 213890, 240260, 427780, 876949, 1753898, 3507796, 4384745, 8769490, 17538980]

約数ペア:

[(1, 17538980), (2, 8769490), (4, 4384745), (5, 3507796), (10, 1753898), (20, 876949), (41, 427780), (73, 240260), (82, 213890), (146, 120130), (164, 106945), (205, 85556), (292, 60065), (293, 59860), (365, 48052), (410, 42778), (586, 29930), (730, 24026), (820, 21389), (1172, 14965), (1460, 12013), (1465, 11972), (2930, 5986), (2993, 5860)]