19217820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 57915648

約数和(自身を除く): 38697828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 83, 85, 102, 166, 170, 204, 227, 249, 255, 332, 340, 415, 454, 498, 510, 681, 830, 908, 996, 1020, 1135, 1245, 1362, 1411, 1660, 2270, 2490, 2724, 2822, 3405, 3859, 4233, 4540, 4980, 5644, 6810, 7055, 7718, 8466, 11577, 13620, 14110, 15436, 16932, 18841, 19295, 21165, 23154, 28220, 37682, 38590, 42330, 46308, 56523, 57885, 75364, 77180, 84660, 94205, 113046, 115770, 188410, 226092, 231540, 282615, 320297, 376820, 565230, 640594, 960891, 1130460, 1281188, 1601485, 1921782, 3202970, 3843564, 4804455, 6405940, 9608910, 19217820]

約数ペア:

[(1, 19217820), (2, 9608910), (3, 6405940), (4, 4804455), (5, 3843564), (6, 3202970), (10, 1921782), (12, 1601485), (15, 1281188), (17, 1130460), (20, 960891), (30, 640594), (34, 565230), (51, 376820), (60, 320297), (68, 282615), (83, 231540), (85, 226092), (102, 188410), (166, 115770), (170, 113046), (204, 94205), (227, 84660), (249, 77180), (255, 75364), (332, 57885), (340, 56523), (415, 46308), (454, 42330), (498, 38590), (510, 37682), (681, 28220), (830, 23154), (908, 21165), (996, 19295), (1020, 18841), (1135, 16932), (1245, 15436), (1362, 14110), (1411, 13620), (1660, 11577), (2270, 8466), (2490, 7718), (2724, 7055), (2822, 6810), (3405, 5644), (3859, 4980), (4233, 4540)]