18798736

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 43175808

約数和(自身を除く): 24377072

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 61, 68, 88, 103, 122, 136, 176, 187, 206, 244, 272, 374, 412, 488, 671, 748, 824, 976, 1037, 1133, 1342, 1496, 1648, 1751, 2074, 2266, 2684, 2992, 3502, 4148, 4532, 5368, 6283, 7004, 8296, 9064, 10736, 11407, 12566, 14008, 16592, 18128, 19261, 22814, 25132, 28016, 38522, 45628, 50264, 69113, 77044, 91256, 100528, 106811, 138226, 154088, 182512, 213622, 276452, 308176, 427244, 552904, 854488, 1105808, 1174921, 1708976, 2349842, 4699684, 9399368, 18798736]

約数ペア:

[(1, 18798736), (2, 9399368), (4, 4699684), (8, 2349842), (11, 1708976), (16, 1174921), (17, 1105808), (22, 854488), (34, 552904), (44, 427244), (61, 308176), (68, 276452), (88, 213622), (103, 182512), (122, 154088), (136, 138226), (176, 106811), (187, 100528), (206, 91256), (244, 77044), (272, 69113), (374, 50264), (412, 45628), (488, 38522), (671, 28016), (748, 25132), (824, 22814), (976, 19261), (1037, 18128), (1133, 16592), (1342, 14008), (1496, 12566), (1648, 11407), (1751, 10736), (2074, 9064), (2266, 8296), (2684, 7004), (2992, 6283), (3502, 5368), (4148, 4532)]