19978596

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 37598364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 67, 99, 108, 132, 134, 198, 201, 251, 268, 297, 396, 402, 502, 594, 603, 737, 753, 804, 1004, 1188, 1206, 1474, 1506, 1809, 2211, 2259, 2412, 2761, 2948, 3012, 3618, 4422, 4518, 5522, 6633, 6777, 7236, 8283, 8844, 9036, 11044, 13266, 13554, 16566, 16817, 19899, 24849, 26532, 27108, 33132, 33634, 39798, 49698, 50451, 67268, 74547, 79596, 99396, 100902, 149094, 151353, 184987, 201804, 298188, 302706, 369974, 454059, 554961, 605412, 739948, 908118, 1109922, 1664883, 1816236, 2219844, 3329766, 4994649, 6659532, 9989298, 19978596]

約数ペア:

[(1, 19978596), (2, 9989298), (3, 6659532), (4, 4994649), (6, 3329766), (9, 2219844), (11, 1816236), (12, 1664883), (18, 1109922), (22, 908118), (27, 739948), (33, 605412), (36, 554961), (44, 454059), (54, 369974), (66, 302706), (67, 298188), (99, 201804), (108, 184987), (132, 151353), (134, 149094), (198, 100902), (201, 99396), (251, 79596), (268, 74547), (297, 67268), (396, 50451), (402, 49698), (502, 39798), (594, 33634), (603, 33132), (737, 27108), (753, 26532), (804, 24849), (1004, 19899), (1188, 16817), (1206, 16566), (1474, 13554), (1506, 13266), (1809, 11044), (2211, 9036), (2259, 8844), (2412, 8283), (2761, 7236), (2948, 6777), (3012, 6633), (3618, 5522), (4422, 4518)]