18455568

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 50651520

約数和(自身を除く): 32195952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 73, 92, 138, 146, 184, 219, 229, 276, 292, 368, 438, 458, 552, 584, 687, 876, 916, 1104, 1168, 1374, 1679, 1752, 1832, 2748, 3358, 3504, 3664, 5037, 5267, 5496, 6716, 10074, 10534, 10992, 13432, 15801, 16717, 20148, 21068, 26864, 31602, 33434, 40296, 42136, 50151, 63204, 66868, 80592, 84272, 100302, 126408, 133736, 200604, 252816, 267472, 384491, 401208, 768982, 802416, 1153473, 1537964, 2306946, 3075928, 4613892, 6151856, 9227784, 18455568]

約数ペア:

[(1, 18455568), (2, 9227784), (3, 6151856), (4, 4613892), (6, 3075928), (8, 2306946), (12, 1537964), (16, 1153473), (23, 802416), (24, 768982), (46, 401208), (48, 384491), (69, 267472), (73, 252816), (92, 200604), (138, 133736), (146, 126408), (184, 100302), (219, 84272), (229, 80592), (276, 66868), (292, 63204), (368, 50151), (438, 42136), (458, 40296), (552, 33434), (584, 31602), (687, 26864), (876, 21068), (916, 20148), (1104, 16717), (1168, 15801), (1374, 13432), (1679, 10992), (1752, 10534), (1832, 10074), (2748, 6716), (3358, 5496), (3504, 5267), (3664, 5037)]