2018255620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{171329}}^1$

素因数の和:171388

約数の個数: 48

約数和(自身を含む): 4605350400

約数和(自身を除く): 2587094780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 171329, 342658, 685316, 856645, 1713290, 3255251, 3426580, 5311199, 6510502, 10622398, 13021004, 16276255, 21244796, 26555995, 32552510, 53111990, 65105020, 100912781, 106223980, 201825562, 403651124, 504563905, 1009127810, 2018255620]

約数ペア:

[(1, 2018255620), (2, 1009127810), (4, 504563905), (5, 403651124), (10, 201825562), (19, 106223980), (20, 100912781), (31, 65105020), (38, 53111990), (62, 32552510), (76, 26555995), (95, 21244796), (124, 16276255), (155, 13021004), (190, 10622398), (310, 6510502), (380, 5311199), (589, 3426580), (620, 3255251), (1178, 1713290), (2356, 856645), (2945, 685316), (5890, 342658), (11780, 171329)]