18935046

素因数分解:

$2^1\times 3^9\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 80

約数和(自身を含む): 47120304

約数和(自身を除く): 28185258

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 81, 111, 117, 162, 222, 234, 243, 333, 351, 481, 486, 666, 702, 729, 962, 999, 1053, 1443, 1458, 1998, 2106, 2187, 2886, 2997, 3159, 4329, 4374, 5994, 6318, 6561, 8658, 8991, 9477, 12987, 13122, 17982, 18954, 19683, 25974, 26973, 28431, 38961, 39366, 53946, 56862, 77922, 80919, 85293, 116883, 161838, 170586, 233766, 242757, 255879, 350649, 485514, 511758, 701298, 728271, 1051947, 1456542, 2103894, 3155841, 6311682, 9467523, 18935046]

約数ペア:

[(1, 18935046), (2, 9467523), (3, 6311682), (6, 3155841), (9, 2103894), (13, 1456542), (18, 1051947), (26, 728271), (27, 701298), (37, 511758), (39, 485514), (54, 350649), (74, 255879), (78, 242757), (81, 233766), (111, 170586), (117, 161838), (162, 116883), (222, 85293), (234, 80919), (243, 77922), (333, 56862), (351, 53946), (481, 39366), (486, 38961), (666, 28431), (702, 26973), (729, 25974), (962, 19683), (999, 18954), (1053, 17982), (1443, 13122), (1458, 12987), (1998, 9477), (2106, 8991), (2187, 8658), (2886, 6561), (2997, 6318), (3159, 5994), (4329, 4374)]