19985416380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{142529}}^1$

素因数の和:142604

約数の個数: 144

約数和(自身を含む): 65369959200

約数和(自身を除く): 45384542820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 570, 615, 684, 738, 779, 820, 855, 1140, 1230, 1476, 1558, 1710, 1845, 2337, 2460, 3116, 3420, 3690, 3895, 4674, 7011, 7380, 7790, 9348, 11685, 14022, 15580, 23370, 28044, 35055, 46740, 70110, 140220, 142529, 285058, 427587, 570116, 712645, 855174, 1282761, 1425290, 1710348, 2137935, 2565522, 2708051, 2850580, 4275870, 5131044, 5416102, 5843689, 6413805, 8124153, 8551740, 10832204, 11687378, 12827610, 13540255, 16248306, 17531067, 23374756, 24372459, 25655220, 27080510, 29218445, 32496612, 35062134, 40620765, 48744918, 52593201, 54161020, 58436890, 70124268, 81241530, 87655335, 97489836, 105186402, 111030091, 116873780, 121862295, 162483060, 175310670, 210372804, 222060182, 243724590, 262966005, 333090273, 350621340, 444120364, 487449180, 525932010, 555150455, 666180546, 999270819, 1051864020, 1110300910, 1332361092, 1665451365, 1998541638, 2220601820, 3330902730, 3997083276, 4996354095, 6661805460, 9992708190, 19985416380]

約数ペア:

[(1, 19985416380), (2, 9992708190), (3, 6661805460), (4, 4996354095), (5, 3997083276), (6, 3330902730), (9, 2220601820), (10, 1998541638), (12, 1665451365), (15, 1332361092), (18, 1110300910), (19, 1051864020), (20, 999270819), (30, 666180546), (36, 555150455), (38, 525932010), (41, 487449180), (45, 444120364), (57, 350621340), (60, 333090273), (76, 262966005), (82, 243724590), (90, 222060182), (95, 210372804), (114, 175310670), (123, 162483060), (164, 121862295), (171, 116873780), (180, 111030091), (190, 105186402), (205, 97489836), (228, 87655335), (246, 81241530), (285, 70124268), (342, 58436890), (369, 54161020), (380, 52593201), (410, 48744918), (492, 40620765), (570, 35062134), (615, 32496612), (684, 29218445), (738, 27080510), (779, 25655220), (820, 24372459), (855, 23374756), (1140, 17531067), (1230, 16248306), (1476, 13540255), (1558, 12827610), (1710, 11687378), (1845, 10832204), (2337, 8551740), (2460, 8124153), (3116, 6413805), (3420, 5843689), (3690, 5416102), (3895, 5131044), (4674, 4275870), (7011, 2850580), (7380, 2708051), (7790, 2565522), (9348, 2137935), (11685, 1710348), (14022, 1425290), (15580, 1282761), (23370, 855174), (28044, 712645), (35055, 570116), (46740, 427587), (70110, 285058), (140220, 142529)]