19857768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{409}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 60417600

約数和(自身を除く): 40559832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 289, 357, 408, 409, 476, 578, 714, 818, 867, 952, 1156, 1227, 1428, 1636, 1734, 2023, 2312, 2454, 2856, 2863, 3272, 3468, 4046, 4908, 5726, 6069, 6936, 6953, 8092, 8589, 9816, 11452, 12138, 13906, 16184, 17178, 20859, 22904, 24276, 27812, 34356, 41718, 48552, 48671, 55624, 68712, 83436, 97342, 118201, 146013, 166872, 194684, 236402, 292026, 354603, 389368, 472804, 584052, 709206, 827407, 945608, 1168104, 1418412, 1654814, 2482221, 2836824, 3309628, 4964442, 6619256, 9928884, 19857768]

約数ペア:

[(1, 19857768), (2, 9928884), (3, 6619256), (4, 4964442), (6, 3309628), (7, 2836824), (8, 2482221), (12, 1654814), (14, 1418412), (17, 1168104), (21, 945608), (24, 827407), (28, 709206), (34, 584052), (42, 472804), (51, 389368), (56, 354603), (68, 292026), (84, 236402), (102, 194684), (119, 166872), (136, 146013), (168, 118201), (204, 97342), (238, 83436), (289, 68712), (357, 55624), (408, 48671), (409, 48552), (476, 41718), (578, 34356), (714, 27812), (818, 24276), (867, 22904), (952, 20859), (1156, 17178), (1227, 16184), (1428, 13906), (1636, 12138), (1734, 11452), (2023, 9816), (2312, 8589), (2454, 8092), (2856, 6953), (2863, 6936), (3272, 6069), (3468, 5726), (4046, 4908)]