18241020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 65415168

約数和(自身を除く): 47174148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 467, 558, 620, 630, 651, 868, 930, 934, 1085, 1116, 1260, 1302, 1395, 1401, 1860, 1868, 1953, 2170, 2335, 2604, 2790, 2802, 3255, 3269, 3906, 4203, 4340, 4670, 5580, 5604, 6510, 6538, 7005, 7812, 8406, 9340, 9765, 9807, 13020, 13076, 14010, 14477, 16345, 16812, 19530, 19614, 21015, 28020, 28954, 29421, 32690, 39060, 39228, 42030, 43431, 49035, 57908, 58842, 65380, 72385, 84060, 86862, 98070, 101339, 117684, 130293, 144770, 147105, 173724, 196140, 202678, 217155, 260586, 289540, 294210, 304017, 405356, 434310, 506695, 521172, 588420, 608034, 651465, 868620, 912051, 1013390, 1216068, 1302930, 1520085, 1824102, 2026780, 2605860, 3040170, 3648204, 4560255, 6080340, 9120510, 18241020]

約数ペア:

[(1, 18241020), (2, 9120510), (3, 6080340), (4, 4560255), (5, 3648204), (6, 3040170), (7, 2605860), (9, 2026780), (10, 1824102), (12, 1520085), (14, 1302930), (15, 1216068), (18, 1013390), (20, 912051), (21, 868620), (28, 651465), (30, 608034), (31, 588420), (35, 521172), (36, 506695), (42, 434310), (45, 405356), (60, 304017), (62, 294210), (63, 289540), (70, 260586), (84, 217155), (90, 202678), (93, 196140), (105, 173724), (124, 147105), (126, 144770), (140, 130293), (155, 117684), (180, 101339), (186, 98070), (210, 86862), (217, 84060), (252, 72385), (279, 65380), (310, 58842), (315, 57908), (372, 49035), (420, 43431), (434, 42030), (465, 39228), (467, 39060), (558, 32690), (620, 29421), (630, 28954), (651, 28020), (868, 21015), (930, 19614), (934, 19530), (1085, 16812), (1116, 16345), (1260, 14477), (1302, 14010), (1395, 13076), (1401, 13020), (1860, 9807), (1868, 9765), (1953, 9340), (2170, 8406), (2335, 7812), (2604, 7005), (2790, 6538), (2802, 6510), (3255, 5604), (3269, 5580), (3906, 4670), (4203, 4340)]