18501315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 36274176

約数和(自身を除く): 17772861

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 47, 69, 105, 115, 141, 161, 163, 235, 329, 345, 483, 489, 705, 805, 815, 987, 1081, 1141, 1645, 2415, 2445, 3243, 3423, 3749, 4935, 5405, 5705, 7567, 7661, 11247, 16215, 17115, 18745, 22701, 22983, 26243, 37835, 38305, 53627, 56235, 78729, 113505, 114915, 131215, 160881, 176203, 268135, 393645, 528609, 804405, 881015, 1233421, 2643045, 3700263, 6167105, 18501315]

約数ペア:

[(1, 18501315), (3, 6167105), (5, 3700263), (7, 2643045), (15, 1233421), (21, 881015), (23, 804405), (35, 528609), (47, 393645), (69, 268135), (105, 176203), (115, 160881), (141, 131215), (161, 114915), (163, 113505), (235, 78729), (329, 56235), (345, 53627), (483, 38305), (489, 37835), (705, 26243), (805, 22983), (815, 22701), (987, 18745), (1081, 17115), (1141, 16215), (1645, 11247), (2415, 7661), (2445, 7567), (3243, 5705), (3423, 5405), (3749, 4935)]