18941364

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1531

約数の個数: 72

約数和(自身を含む): 53508000

約数和(自身を除く): 34566636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 1499, 2106, 2998, 3159, 4212, 4497, 5996, 6318, 8994, 12636, 13491, 17988, 19487, 26982, 38974, 40473, 53964, 58461, 77948, 80946, 116922, 121419, 161892, 175383, 233844, 242838, 350766, 364257, 485676, 526149, 701532, 728514, 1052298, 1457028, 1578447, 2104596, 3156894, 4735341, 6313788, 9470682, 18941364]

約数ペア:

[(1, 18941364), (2, 9470682), (3, 6313788), (4, 4735341), (6, 3156894), (9, 2104596), (12, 1578447), (13, 1457028), (18, 1052298), (26, 728514), (27, 701532), (36, 526149), (39, 485676), (52, 364257), (54, 350766), (78, 242838), (81, 233844), (108, 175383), (117, 161892), (156, 121419), (162, 116922), (234, 80946), (243, 77948), (324, 58461), (351, 53964), (468, 40473), (486, 38974), (702, 26982), (972, 19487), (1053, 17988), (1404, 13491), (1499, 12636), (2106, 8994), (2998, 6318), (3159, 5996), (4212, 4497)]