18822780

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1291}}^1$

素因数の和:1318

約数の個数: 84

約数和(自身を含む): 59310552

約数和(自身を除く): 40487772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1291, 1458, 1620, 2430, 2582, 2916, 3645, 3873, 4860, 5164, 6455, 7290, 7746, 11619, 12910, 14580, 15492, 19365, 23238, 25820, 34857, 38730, 46476, 58095, 69714, 77460, 104571, 116190, 139428, 174285, 209142, 232380, 313713, 348570, 418284, 522855, 627426, 697140, 941139, 1045710, 1254852, 1568565, 1882278, 2091420, 3137130, 3764556, 4705695, 6274260, 9411390, 18822780]

約数ペア:

[(1, 18822780), (2, 9411390), (3, 6274260), (4, 4705695), (5, 3764556), (6, 3137130), (9, 2091420), (10, 1882278), (12, 1568565), (15, 1254852), (18, 1045710), (20, 941139), (27, 697140), (30, 627426), (36, 522855), (45, 418284), (54, 348570), (60, 313713), (81, 232380), (90, 209142), (108, 174285), (135, 139428), (162, 116190), (180, 104571), (243, 77460), (270, 69714), (324, 58095), (405, 46476), (486, 38730), (540, 34857), (729, 25820), (810, 23238), (972, 19365), (1215, 15492), (1291, 14580), (1458, 12910), (1620, 11619), (2430, 7746), (2582, 7290), (2916, 6455), (3645, 5164), (3873, 4860)]