18977220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 40777020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 113, 135, 180, 226, 270, 311, 339, 452, 540, 565, 622, 678, 933, 1017, 1130, 1244, 1356, 1555, 1695, 1866, 2034, 2260, 2799, 3051, 3110, 3390, 3732, 4068, 4665, 5085, 5598, 6102, 6220, 6780, 8397, 9330, 10170, 11196, 12204, 13995, 15255, 16794, 18660, 20340, 27990, 30510, 33588, 35143, 41985, 55980, 61020, 70286, 83970, 105429, 140572, 167940, 175715, 210858, 316287, 351430, 421716, 527145, 632574, 702860, 948861, 1054290, 1265148, 1581435, 1897722, 2108580, 3162870, 3795444, 4744305, 6325740, 9488610, 18977220]

約数ペア:

[(1, 18977220), (2, 9488610), (3, 6325740), (4, 4744305), (5, 3795444), (6, 3162870), (9, 2108580), (10, 1897722), (12, 1581435), (15, 1265148), (18, 1054290), (20, 948861), (27, 702860), (30, 632574), (36, 527145), (45, 421716), (54, 351430), (60, 316287), (90, 210858), (108, 175715), (113, 167940), (135, 140572), (180, 105429), (226, 83970), (270, 70286), (311, 61020), (339, 55980), (452, 41985), (540, 35143), (565, 33588), (622, 30510), (678, 27990), (933, 20340), (1017, 18660), (1130, 16794), (1244, 15255), (1356, 13995), (1555, 12204), (1695, 11196), (1866, 10170), (2034, 9330), (2260, 8397), (2799, 6780), (3051, 6220), (3110, 6102), (3390, 5598), (3732, 5085), (4068, 4665)]