18918072

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{13829}}^1$

素因数の和:13860

約数の個数: 48

約数和(自身を含む): 53937000

約数和(自身を除く): 35018928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 13829, 27658, 41487, 55316, 82974, 110632, 124461, 165948, 248922, 262751, 331896, 497844, 525502, 788253, 995688, 1051004, 1576506, 2102008, 2364759, 3153012, 4729518, 6306024, 9459036, 18918072]

約数ペア:

[(1, 18918072), (2, 9459036), (3, 6306024), (4, 4729518), (6, 3153012), (8, 2364759), (9, 2102008), (12, 1576506), (18, 1051004), (19, 995688), (24, 788253), (36, 525502), (38, 497844), (57, 331896), (72, 262751), (76, 248922), (114, 165948), (152, 124461), (171, 110632), (228, 82974), (342, 55316), (456, 41487), (684, 27658), (1368, 13829)]