19257210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 61378560

約数和(自身を除く): 42121350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 443, 483, 621, 630, 690, 805, 886, 945, 966, 1035, 1242, 1329, 1449, 1610, 1890, 2070, 2215, 2415, 2658, 2898, 3101, 3105, 3987, 4347, 4430, 4830, 6202, 6210, 6645, 7245, 7974, 8694, 9303, 10189, 11961, 13290, 14490, 15505, 18606, 19935, 20378, 21735, 23922, 27909, 30567, 31010, 39870, 43470, 46515, 50945, 55818, 59805, 61134, 71323, 83727, 91701, 93030, 101890, 119610, 139545, 142646, 152835, 167454, 183402, 213969, 275103, 279090, 305670, 356615, 418635, 427938, 458505, 550206, 641907, 713230, 837270, 917010, 1069845, 1283814, 1375515, 1925721, 2139690, 2751030, 3209535, 3851442, 6419070, 9628605, 19257210]

約数ペア:

[(1, 19257210), (2, 9628605), (3, 6419070), (5, 3851442), (6, 3209535), (7, 2751030), (9, 2139690), (10, 1925721), (14, 1375515), (15, 1283814), (18, 1069845), (21, 917010), (23, 837270), (27, 713230), (30, 641907), (35, 550206), (42, 458505), (45, 427938), (46, 418635), (54, 356615), (63, 305670), (69, 279090), (70, 275103), (90, 213969), (105, 183402), (115, 167454), (126, 152835), (135, 142646), (138, 139545), (161, 119610), (189, 101890), (207, 93030), (210, 91701), (230, 83727), (270, 71323), (315, 61134), (322, 59805), (345, 55818), (378, 50945), (414, 46515), (443, 43470), (483, 39870), (621, 31010), (630, 30567), (690, 27909), (805, 23922), (886, 21735), (945, 20378), (966, 19935), (1035, 18606), (1242, 15505), (1329, 14490), (1449, 13290), (1610, 11961), (1890, 10189), (2070, 9303), (2215, 8694), (2415, 7974), (2658, 7245), (2898, 6645), (3101, 6210), (3105, 6202), (3987, 4830), (4347, 4430)]