18368820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 60540480

約数和(自身を除く): 42171660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 131, 164, 171, 180, 190, 205, 228, 246, 262, 285, 342, 369, 380, 393, 410, 492, 524, 570, 615, 655, 684, 738, 779, 786, 820, 855, 1140, 1179, 1230, 1310, 1476, 1558, 1572, 1710, 1845, 1965, 2337, 2358, 2460, 2489, 2620, 3116, 3420, 3690, 3895, 3930, 4674, 4716, 4978, 5371, 5895, 7011, 7380, 7467, 7790, 7860, 9348, 9956, 10742, 11685, 11790, 12445, 14022, 14934, 15580, 16113, 21484, 22401, 23370, 23580, 24890, 26855, 28044, 29868, 32226, 35055, 37335, 44802, 46740, 48339, 49780, 53710, 64452, 70110, 74670, 80565, 89604, 96678, 102049, 107420, 112005, 140220, 149340, 161130, 193356, 204098, 224010, 241695, 306147, 322260, 408196, 448020, 483390, 510245, 612294, 918441, 966780, 1020490, 1224588, 1530735, 1836882, 2040980, 3061470, 3673764, 4592205, 6122940, 9184410, 18368820]

約数ペア:

[(1, 18368820), (2, 9184410), (3, 6122940), (4, 4592205), (5, 3673764), (6, 3061470), (9, 2040980), (10, 1836882), (12, 1530735), (15, 1224588), (18, 1020490), (19, 966780), (20, 918441), (30, 612294), (36, 510245), (38, 483390), (41, 448020), (45, 408196), (57, 322260), (60, 306147), (76, 241695), (82, 224010), (90, 204098), (95, 193356), (114, 161130), (123, 149340), (131, 140220), (164, 112005), (171, 107420), (180, 102049), (190, 96678), (205, 89604), (228, 80565), (246, 74670), (262, 70110), (285, 64452), (342, 53710), (369, 49780), (380, 48339), (393, 46740), (410, 44802), (492, 37335), (524, 35055), (570, 32226), (615, 29868), (655, 28044), (684, 26855), (738, 24890), (779, 23580), (786, 23370), (820, 22401), (855, 21484), (1140, 16113), (1179, 15580), (1230, 14934), (1310, 14022), (1476, 12445), (1558, 11790), (1572, 11685), (1710, 10742), (1845, 9956), (1965, 9348), (2337, 7860), (2358, 7790), (2460, 7467), (2489, 7380), (2620, 7011), (3116, 5895), (3420, 5371), (3690, 4978), (3895, 4716), (3930, 4674)]