18053320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 25492280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 191, 278, 340, 382, 556, 680, 695, 764, 955, 1112, 1390, 1528, 1910, 2363, 2780, 3247, 3820, 4726, 5560, 6494, 7640, 9452, 11815, 12988, 16235, 18904, 23630, 25976, 26549, 32470, 47260, 53098, 64940, 94520, 106196, 129880, 132745, 212392, 265490, 451333, 530980, 902666, 1061960, 1805332, 2256665, 3610664, 4513330, 9026660, 18053320]

約数ペア:

[(1, 18053320), (2, 9026660), (4, 4513330), (5, 3610664), (8, 2256665), (10, 1805332), (17, 1061960), (20, 902666), (34, 530980), (40, 451333), (68, 265490), (85, 212392), (136, 132745), (139, 129880), (170, 106196), (191, 94520), (278, 64940), (340, 53098), (382, 47260), (556, 32470), (680, 26549), (695, 25976), (764, 23630), (955, 18904), (1112, 16235), (1390, 12988), (1528, 11815), (1910, 9452), (2363, 7640), (2780, 6494), (3247, 5560), (3820, 4726)]