18232020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1777}}^1$

素因数の和:1814

約数の個数: 96

約数和(自身を含む): 59740800

約数和(自身を除く): 41508780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 1777, 2052, 2565, 3420, 3554, 5130, 5331, 7108, 8885, 10260, 10662, 15993, 17770, 21324, 26655, 31986, 33763, 35540, 47979, 53310, 63972, 67526, 79965, 95958, 101289, 106620, 135052, 159930, 168815, 191916, 202578, 239895, 303867, 319860, 337630, 405156, 479790, 506445, 607734, 675260, 911601, 959580, 1012890, 1215468, 1519335, 1823202, 2025780, 3038670, 3646404, 4558005, 6077340, 9116010, 18232020]

約数ペア:

[(1, 18232020), (2, 9116010), (3, 6077340), (4, 4558005), (5, 3646404), (6, 3038670), (9, 2025780), (10, 1823202), (12, 1519335), (15, 1215468), (18, 1012890), (19, 959580), (20, 911601), (27, 675260), (30, 607734), (36, 506445), (38, 479790), (45, 405156), (54, 337630), (57, 319860), (60, 303867), (76, 239895), (90, 202578), (95, 191916), (108, 168815), (114, 159930), (135, 135052), (171, 106620), (180, 101289), (190, 95958), (228, 79965), (270, 67526), (285, 63972), (342, 53310), (380, 47979), (513, 35540), (540, 33763), (570, 31986), (684, 26655), (855, 21324), (1026, 17770), (1140, 15993), (1710, 10662), (1777, 10260), (2052, 8885), (2565, 7108), (3420, 5331), (3554, 5130)]