919965978

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1997}}^1$

素因数の和:2476

約数の個数: 64

約数和(自身を含む): 2157840000

約数和(自身を除く): 1237874022

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 449, 513, 898, 1026, 1347, 1997, 2694, 3994, 4041, 5991, 8082, 8531, 11982, 12123, 17062, 17973, 24246, 25593, 35946, 37943, 51186, 53919, 75886, 76779, 107838, 113829, 153558, 227658, 230337, 341487, 460674, 682974, 896653, 1024461, 1793306, 2048922, 2689959, 5379918, 8069877, 16139754, 17036407, 24209631, 34072814, 48419262, 51109221, 102218442, 153327663, 306655326, 459982989, 919965978]

約数ペア:

[(1, 919965978), (2, 459982989), (3, 306655326), (6, 153327663), (9, 102218442), (18, 51109221), (19, 48419262), (27, 34072814), (38, 24209631), (54, 17036407), (57, 16139754), (114, 8069877), (171, 5379918), (342, 2689959), (449, 2048922), (513, 1793306), (898, 1024461), (1026, 896653), (1347, 682974), (1997, 460674), (2694, 341487), (3994, 230337), (4041, 227658), (5991, 153558), (8082, 113829), (8531, 107838), (11982, 76779), (12123, 75886), (17062, 53919), (17973, 51186), (24246, 37943), (25593, 35946)]