19773642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28610358

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 71, 114, 133, 142, 213, 266, 349, 399, 426, 497, 698, 798, 994, 1047, 1349, 1491, 2094, 2443, 2698, 2982, 4047, 4886, 6631, 7329, 8094, 9443, 13262, 14658, 18886, 19893, 24779, 28329, 39786, 46417, 49558, 56658, 74337, 92834, 139251, 148674, 173453, 278502, 346906, 470801, 520359, 941602, 1040718, 1412403, 2824806, 3295607, 6591214, 9886821, 19773642]

約数ペア:

[(1, 19773642), (2, 9886821), (3, 6591214), (6, 3295607), (7, 2824806), (14, 1412403), (19, 1040718), (21, 941602), (38, 520359), (42, 470801), (57, 346906), (71, 278502), (114, 173453), (133, 148674), (142, 139251), (213, 92834), (266, 74337), (349, 56658), (399, 49558), (426, 46417), (497, 39786), (698, 28329), (798, 24779), (994, 19893), (1047, 18886), (1349, 14658), (1491, 13262), (2094, 9443), (2443, 8094), (2698, 7329), (2982, 6631), (4047, 4886)]