18529740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1039

約数の個数: 72

約数和(自身を含む): 56766528

約数和(自身を除く): 38236788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 911, 1017, 1130, 1356, 1695, 1822, 2034, 2260, 2733, 3390, 3644, 4068, 4555, 5085, 5466, 6780, 8199, 9110, 10170, 10932, 13665, 16398, 18220, 20340, 27330, 32796, 40995, 54660, 81990, 102943, 163980, 205886, 308829, 411772, 514715, 617658, 926487, 1029430, 1235316, 1544145, 1852974, 2058860, 3088290, 3705948, 4632435, 6176580, 9264870, 18529740]

約数ペア:

[(1, 18529740), (2, 9264870), (3, 6176580), (4, 4632435), (5, 3705948), (6, 3088290), (9, 2058860), (10, 1852974), (12, 1544145), (15, 1235316), (18, 1029430), (20, 926487), (30, 617658), (36, 514715), (45, 411772), (60, 308829), (90, 205886), (113, 163980), (180, 102943), (226, 81990), (339, 54660), (452, 40995), (565, 32796), (678, 27330), (911, 20340), (1017, 18220), (1130, 16398), (1356, 13665), (1695, 10932), (1822, 10170), (2034, 9110), (2260, 8199), (2733, 6780), (3390, 5466), (3644, 5085), (4068, 4555)]