19652580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 64157184

約数和(自身を除く): 44504604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 47, 60, 69, 90, 92, 94, 101, 115, 138, 141, 180, 188, 202, 207, 230, 235, 276, 282, 303, 345, 404, 414, 423, 460, 470, 505, 564, 606, 690, 705, 828, 846, 909, 940, 1010, 1035, 1081, 1212, 1380, 1410, 1515, 1692, 1818, 2020, 2070, 2115, 2162, 2323, 2820, 3030, 3243, 3636, 4140, 4230, 4324, 4545, 4646, 4747, 5405, 6060, 6486, 6969, 8460, 9090, 9292, 9494, 9729, 10810, 11615, 12972, 13938, 14241, 16215, 18180, 18988, 19458, 20907, 21620, 23230, 23735, 27876, 28482, 32430, 34845, 38916, 41814, 42723, 46460, 47470, 48645, 56964, 64860, 69690, 71205, 83628, 85446, 94940, 97290, 104535, 109181, 139380, 142410, 170892, 194580, 209070, 213615, 218362, 284820, 327543, 418140, 427230, 436724, 545905, 655086, 854460, 982629, 1091810, 1310172, 1637715, 1965258, 2183620, 3275430, 3930516, 4913145, 6550860, 9826290, 19652580]

約数ペア:

[(1, 19652580), (2, 9826290), (3, 6550860), (4, 4913145), (5, 3930516), (6, 3275430), (9, 2183620), (10, 1965258), (12, 1637715), (15, 1310172), (18, 1091810), (20, 982629), (23, 854460), (30, 655086), (36, 545905), (45, 436724), (46, 427230), (47, 418140), (60, 327543), (69, 284820), (90, 218362), (92, 213615), (94, 209070), (101, 194580), (115, 170892), (138, 142410), (141, 139380), (180, 109181), (188, 104535), (202, 97290), (207, 94940), (230, 85446), (235, 83628), (276, 71205), (282, 69690), (303, 64860), (345, 56964), (404, 48645), (414, 47470), (423, 46460), (460, 42723), (470, 41814), (505, 38916), (564, 34845), (606, 32430), (690, 28482), (705, 27876), (828, 23735), (846, 23230), (909, 21620), (940, 20907), (1010, 19458), (1035, 18988), (1081, 18180), (1212, 16215), (1380, 14241), (1410, 13938), (1515, 12972), (1692, 11615), (1818, 10810), (2020, 9729), (2070, 9494), (2115, 9292), (2162, 9090), (2323, 8460), (2820, 6969), (3030, 6486), (3243, 6060), (3636, 5405), (4140, 4747), (4230, 4646), (4324, 4545)]