18220860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14461}}^1$

素因数の和:14483

約数の個数: 72

約数和(自身を含む): 63170016

約数和(自身を除く): 44949156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14461, 28922, 43383, 57844, 72305, 86766, 101227, 130149, 144610, 173532, 202454, 216915, 260298, 289220, 303681, 404908, 433830, 506135, 520596, 607362, 650745, 867660, 911043, 1012270, 1214724, 1301490, 1518405, 1822086, 2024540, 2602980, 3036810, 3644172, 4555215, 6073620, 9110430, 18220860]

約数ペア:

[(1, 18220860), (2, 9110430), (3, 6073620), (4, 4555215), (5, 3644172), (6, 3036810), (7, 2602980), (9, 2024540), (10, 1822086), (12, 1518405), (14, 1301490), (15, 1214724), (18, 1012270), (20, 911043), (21, 867660), (28, 650745), (30, 607362), (35, 520596), (36, 506135), (42, 433830), (45, 404908), (60, 303681), (63, 289220), (70, 260298), (84, 216915), (90, 202454), (105, 173532), (126, 144610), (140, 130149), (180, 101227), (210, 86766), (252, 72305), (315, 57844), (420, 43383), (630, 28922), (1260, 14461)]