19859490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1136

約数の個数: 96

約数和(自身を含む): 61102080

約数和(自身を除く): 41242590

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 58, 63, 70, 87, 90, 105, 126, 145, 174, 203, 210, 261, 290, 315, 406, 435, 522, 609, 630, 870, 1015, 1087, 1218, 1305, 1827, 2030, 2174, 2610, 3045, 3261, 3654, 5435, 6090, 6522, 7609, 9135, 9783, 10870, 15218, 16305, 18270, 19566, 22827, 31523, 32610, 38045, 45654, 48915, 63046, 68481, 76090, 94569, 97830, 114135, 136962, 157615, 189138, 220661, 228270, 283707, 315230, 342405, 441322, 472845, 567414, 661983, 684810, 945690, 1103305, 1323966, 1418535, 1985949, 2206610, 2837070, 3309915, 3971898, 6619830, 9929745, 19859490]

約数ペア:

[(1, 19859490), (2, 9929745), (3, 6619830), (5, 3971898), (6, 3309915), (7, 2837070), (9, 2206610), (10, 1985949), (14, 1418535), (15, 1323966), (18, 1103305), (21, 945690), (29, 684810), (30, 661983), (35, 567414), (42, 472845), (45, 441322), (58, 342405), (63, 315230), (70, 283707), (87, 228270), (90, 220661), (105, 189138), (126, 157615), (145, 136962), (174, 114135), (203, 97830), (210, 94569), (261, 76090), (290, 68481), (315, 63046), (406, 48915), (435, 45654), (522, 38045), (609, 32610), (630, 31523), (870, 22827), (1015, 19566), (1087, 18270), (1218, 16305), (1305, 15218), (1827, 10870), (2030, 9783), (2174, 9135), (2610, 7609), (3045, 6522), (3261, 6090), (3654, 5435)]