18395090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 40089600

約数和(自身を除く): 21694510

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 173, 217, 245, 310, 343, 346, 434, 490, 686, 865, 1085, 1211, 1519, 1715, 1730, 2170, 2422, 3038, 3430, 5363, 6055, 7595, 8477, 10633, 10726, 12110, 15190, 16954, 21266, 26815, 37541, 42385, 53165, 53630, 59339, 75082, 84770, 106330, 118678, 187705, 262787, 296695, 375410, 525574, 593390, 1313935, 1839509, 2627870, 3679018, 9197545, 18395090]

約数ペア:

[(1, 18395090), (2, 9197545), (5, 3679018), (7, 2627870), (10, 1839509), (14, 1313935), (31, 593390), (35, 525574), (49, 375410), (62, 296695), (70, 262787), (98, 187705), (155, 118678), (173, 106330), (217, 84770), (245, 75082), (310, 59339), (343, 53630), (346, 53165), (434, 42385), (490, 37541), (686, 26815), (865, 21266), (1085, 16954), (1211, 15190), (1519, 12110), (1715, 10726), (1730, 10633), (2170, 8477), (2422, 7595), (3038, 6055), (3430, 5363)]