19812060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1968

約数の個数: 96

約数和(自身を含む): 64915200

約数和(自身を除く): 45103140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 1931, 2052, 2565, 3420, 3862, 5130, 5793, 7724, 9655, 10260, 11586, 17379, 19310, 23172, 28965, 34758, 36689, 38620, 52137, 57930, 69516, 73378, 86895, 104274, 110067, 115860, 146756, 173790, 183445, 208548, 220134, 260685, 330201, 347580, 366890, 440268, 521370, 550335, 660402, 733780, 990603, 1042740, 1100670, 1320804, 1651005, 1981206, 2201340, 3302010, 3962412, 4953015, 6604020, 9906030, 19812060]

約数ペア:

[(1, 19812060), (2, 9906030), (3, 6604020), (4, 4953015), (5, 3962412), (6, 3302010), (9, 2201340), (10, 1981206), (12, 1651005), (15, 1320804), (18, 1100670), (19, 1042740), (20, 990603), (27, 733780), (30, 660402), (36, 550335), (38, 521370), (45, 440268), (54, 366890), (57, 347580), (60, 330201), (76, 260685), (90, 220134), (95, 208548), (108, 183445), (114, 173790), (135, 146756), (171, 115860), (180, 110067), (190, 104274), (228, 86895), (270, 73378), (285, 69516), (342, 57930), (380, 52137), (513, 38620), (540, 36689), (570, 34758), (684, 28965), (855, 23172), (1026, 19310), (1140, 17379), (1710, 11586), (1931, 10260), (2052, 9655), (2565, 7724), (3420, 5793), (3862, 5130)]