18833940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5507}}^1$

素因数の和:5541

約数の個数: 72

約数和(自身を含む): 60147360

約数和(自身を除く): 41313420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5507, 11014, 16521, 22028, 27535, 33042, 49563, 55070, 66084, 82605, 99126, 104633, 110140, 165210, 198252, 209266, 247815, 313899, 330420, 418532, 495630, 523165, 627798, 941697, 991260, 1046330, 1255596, 1569495, 1883394, 2092660, 3138990, 3766788, 4708485, 6277980, 9416970, 18833940]

約数ペア:

[(1, 18833940), (2, 9416970), (3, 6277980), (4, 4708485), (5, 3766788), (6, 3138990), (9, 2092660), (10, 1883394), (12, 1569495), (15, 1255596), (18, 1046330), (19, 991260), (20, 941697), (30, 627798), (36, 523165), (38, 495630), (45, 418532), (57, 330420), (60, 313899), (76, 247815), (90, 209266), (95, 198252), (114, 165210), (171, 110140), (180, 104633), (190, 99126), (228, 82605), (285, 66084), (342, 55070), (380, 49563), (570, 33042), (684, 27535), (855, 22028), (1140, 16521), (1710, 11014), (3420, 5507)]