18490068

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 49428288

約数和(自身を除く): 30938220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 137, 138, 163, 207, 274, 276, 326, 411, 414, 489, 548, 652, 822, 828, 978, 1233, 1467, 1644, 1956, 2466, 2934, 3151, 3749, 4932, 5868, 6302, 7498, 9453, 11247, 12604, 14996, 18906, 22331, 22494, 28359, 33741, 37812, 44662, 44988, 56718, 66993, 67482, 89324, 113436, 133986, 134964, 200979, 267972, 401958, 513613, 803916, 1027226, 1540839, 2054452, 3081678, 4622517, 6163356, 9245034, 18490068]

約数ペア:

[(1, 18490068), (2, 9245034), (3, 6163356), (4, 4622517), (6, 3081678), (9, 2054452), (12, 1540839), (18, 1027226), (23, 803916), (36, 513613), (46, 401958), (69, 267972), (92, 200979), (137, 134964), (138, 133986), (163, 113436), (207, 89324), (274, 67482), (276, 66993), (326, 56718), (411, 44988), (414, 44662), (489, 37812), (548, 33741), (652, 28359), (822, 22494), (828, 22331), (978, 18906), (1233, 14996), (1467, 12604), (1644, 11247), (1956, 9453), (2466, 7498), (2934, 6302), (3151, 5868), (3749, 4932)]