18397860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 56259840

約数和(自身を除く): 37861980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 195, 206, 229, 260, 309, 390, 412, 458, 515, 618, 687, 780, 916, 1030, 1145, 1236, 1339, 1374, 1545, 2060, 2290, 2678, 2748, 2977, 3090, 3435, 4017, 4580, 5356, 5954, 6180, 6695, 6870, 8034, 8931, 11908, 13390, 13740, 14885, 16068, 17862, 20085, 23587, 26780, 29770, 35724, 40170, 44655, 47174, 59540, 70761, 80340, 89310, 94348, 117935, 141522, 178620, 235870, 283044, 306631, 353805, 471740, 613262, 707610, 919893, 1226524, 1415220, 1533155, 1839786, 3066310, 3679572, 4599465, 6132620, 9198930, 18397860]

約数ペア:

[(1, 18397860), (2, 9198930), (3, 6132620), (4, 4599465), (5, 3679572), (6, 3066310), (10, 1839786), (12, 1533155), (13, 1415220), (15, 1226524), (20, 919893), (26, 707610), (30, 613262), (39, 471740), (52, 353805), (60, 306631), (65, 283044), (78, 235870), (103, 178620), (130, 141522), (156, 117935), (195, 94348), (206, 89310), (229, 80340), (260, 70761), (309, 59540), (390, 47174), (412, 44655), (458, 40170), (515, 35724), (618, 29770), (687, 26780), (780, 23587), (916, 20085), (1030, 17862), (1145, 16068), (1236, 14885), (1339, 13740), (1374, 13390), (1545, 11908), (2060, 8931), (2290, 8034), (2678, 6870), (2748, 6695), (2977, 6180), (3090, 5954), (3435, 5356), (4017, 4580)]