18216228

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 43715840

約数和(自身を除く): 25499612

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 139, 163, 201, 268, 278, 326, 402, 417, 489, 556, 652, 804, 834, 978, 1668, 1956, 9313, 10921, 18626, 21842, 22657, 27939, 32763, 37252, 43684, 45314, 55878, 65526, 67971, 90628, 111756, 131052, 135942, 271884, 1518019, 3036038, 4554057, 6072076, 9108114, 18216228]

約数ペア:

[(1, 18216228), (2, 9108114), (3, 6072076), (4, 4554057), (6, 3036038), (12, 1518019), (67, 271884), (134, 135942), (139, 131052), (163, 111756), (201, 90628), (268, 67971), (278, 65526), (326, 55878), (402, 45314), (417, 43684), (489, 37252), (556, 32763), (652, 27939), (804, 22657), (834, 21842), (978, 18626), (1668, 10921), (1956, 9313)]