18305940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 55085184

約数和(自身を除く): 36779244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 131, 137, 170, 204, 255, 262, 274, 340, 393, 411, 510, 524, 548, 655, 685, 786, 822, 1020, 1310, 1370, 1572, 1644, 1965, 2055, 2227, 2329, 2620, 2740, 3930, 4110, 4454, 4658, 6681, 6987, 7860, 8220, 8908, 9316, 11135, 11645, 13362, 13974, 17947, 22270, 23290, 26724, 27948, 33405, 34935, 35894, 44540, 46580, 53841, 66810, 69870, 71788, 89735, 107682, 133620, 139740, 179470, 215364, 269205, 305099, 358940, 538410, 610198, 915297, 1076820, 1220396, 1525495, 1830594, 3050990, 3661188, 4576485, 6101980, 9152970, 18305940]

約数ペア:

[(1, 18305940), (2, 9152970), (3, 6101980), (4, 4576485), (5, 3661188), (6, 3050990), (10, 1830594), (12, 1525495), (15, 1220396), (17, 1076820), (20, 915297), (30, 610198), (34, 538410), (51, 358940), (60, 305099), (68, 269205), (85, 215364), (102, 179470), (131, 139740), (137, 133620), (170, 107682), (204, 89735), (255, 71788), (262, 69870), (274, 66810), (340, 53841), (393, 46580), (411, 44540), (510, 35894), (524, 34935), (548, 33405), (655, 27948), (685, 26724), (786, 23290), (822, 22270), (1020, 17947), (1310, 13974), (1370, 13362), (1572, 11645), (1644, 11135), (1965, 9316), (2055, 8908), (2227, 8220), (2329, 7860), (2620, 6987), (2740, 6681), (3930, 4658), (4110, 4454)]