19540571778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{52553}}^1$

素因数の和:52808

約数の個数: 96

約数和(自身を含む): 52338738816

約数和(自身を除く): 32798167038

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 227, 234, 273, 454, 546, 681, 819, 1362, 1589, 1638, 2043, 2951, 3178, 4086, 4767, 5902, 8853, 9534, 14301, 17706, 20657, 26559, 28602, 41314, 52553, 53118, 61971, 105106, 123942, 157659, 185913, 315318, 367871, 371826, 472977, 683189, 735742, 945954, 1103613, 1366378, 2049567, 2207226, 3310839, 4099134, 4782323, 6148701, 6621678, 9564646, 11929531, 12297402, 14346969, 23859062, 28693938, 35788593, 43040907, 71577186, 83506717, 86081814, 107365779, 155083903, 167013434, 214731558, 250520151, 310167806, 465251709, 501040302, 751560453, 930503418, 1085587321, 1395755127, 1503120906, 2171174642, 2791510254, 3256761963, 6513523926, 9770285889, 19540571778]

約数ペア:

[(1, 19540571778), (2, 9770285889), (3, 6513523926), (6, 3256761963), (7, 2791510254), (9, 2171174642), (13, 1503120906), (14, 1395755127), (18, 1085587321), (21, 930503418), (26, 751560453), (39, 501040302), (42, 465251709), (63, 310167806), (78, 250520151), (91, 214731558), (117, 167013434), (126, 155083903), (182, 107365779), (227, 86081814), (234, 83506717), (273, 71577186), (454, 43040907), (546, 35788593), (681, 28693938), (819, 23859062), (1362, 14346969), (1589, 12297402), (1638, 11929531), (2043, 9564646), (2951, 6621678), (3178, 6148701), (4086, 4782323), (4767, 4099134), (5902, 3310839), (8853, 2207226), (9534, 2049567), (14301, 1366378), (17706, 1103613), (20657, 945954), (26559, 735742), (28602, 683189), (41314, 472977), (52553, 371826), (53118, 367871), (61971, 315318), (105106, 185913), (123942, 157659)]