19146780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 61471872

約数和(自身を除く): 42325092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 223, 265, 270, 318, 324, 405, 446, 477, 530, 540, 636, 669, 795, 810, 892, 954, 1060, 1115, 1338, 1431, 1590, 1620, 1908, 2007, 2230, 2385, 2676, 2862, 3180, 3345, 4014, 4293, 4460, 4770, 5724, 6021, 6690, 7155, 8028, 8586, 9540, 10035, 11819, 12042, 13380, 14310, 17172, 18063, 20070, 21465, 23638, 24084, 28620, 30105, 35457, 36126, 40140, 42930, 47276, 59095, 60210, 70914, 72252, 85860, 90315, 106371, 118190, 120420, 141828, 177285, 180630, 212742, 236380, 319113, 354570, 361260, 425484, 531855, 638226, 709140, 957339, 1063710, 1276452, 1595565, 1914678, 2127420, 3191130, 3829356, 4786695, 6382260, 9573390, 19146780]

約数ペア:

[(1, 19146780), (2, 9573390), (3, 6382260), (4, 4786695), (5, 3829356), (6, 3191130), (9, 2127420), (10, 1914678), (12, 1595565), (15, 1276452), (18, 1063710), (20, 957339), (27, 709140), (30, 638226), (36, 531855), (45, 425484), (53, 361260), (54, 354570), (60, 319113), (81, 236380), (90, 212742), (106, 180630), (108, 177285), (135, 141828), (159, 120420), (162, 118190), (180, 106371), (212, 90315), (223, 85860), (265, 72252), (270, 70914), (318, 60210), (324, 59095), (405, 47276), (446, 42930), (477, 40140), (530, 36126), (540, 35457), (636, 30105), (669, 28620), (795, 24084), (810, 23638), (892, 21465), (954, 20070), (1060, 18063), (1115, 17172), (1338, 14310), (1431, 13380), (1590, 12042), (1620, 11819), (1908, 10035), (2007, 9540), (2230, 8586), (2385, 8028), (2676, 7155), (2862, 6690), (3180, 6021), (3345, 5724), (4014, 4770), (4293, 4460)]