18938291220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3393959}}^1$

素因数の和:3394005

約数の個数: 72

約数和(自身を含む): 59299269120

約数和(自身を除く): 40360977900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 3393959, 6787918, 10181877, 13575836, 16969795, 20363754, 30545631, 33939590, 40727508, 50909385, 61091262, 67879180, 101818770, 105212729, 122182524, 152728155, 203637540, 210425458, 305456310, 315638187, 420850916, 526063645, 610912620, 631276374, 946914561, 1052127290, 1262552748, 1578190935, 1893829122, 2104254580, 3156381870, 3787658244, 4734572805, 6312763740, 9469145610, 18938291220]

約数ペア:

[(1, 18938291220), (2, 9469145610), (3, 6312763740), (4, 4734572805), (5, 3787658244), (6, 3156381870), (9, 2104254580), (10, 1893829122), (12, 1578190935), (15, 1262552748), (18, 1052127290), (20, 946914561), (30, 631276374), (31, 610912620), (36, 526063645), (45, 420850916), (60, 315638187), (62, 305456310), (90, 210425458), (93, 203637540), (124, 152728155), (155, 122182524), (180, 105212729), (186, 101818770), (279, 67879180), (310, 61091262), (372, 50909385), (465, 40727508), (558, 33939590), (620, 30545631), (930, 20363754), (1116, 16969795), (1395, 13575836), (1860, 10181877), (2790, 6787918), (5580, 3393959)]