19107540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 63073920

約数和(自身を除く): 43966380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 151, 171, 180, 185, 190, 222, 228, 285, 302, 333, 342, 370, 380, 444, 453, 555, 570, 604, 666, 684, 703, 740, 755, 855, 906, 1110, 1140, 1332, 1359, 1406, 1510, 1665, 1710, 1812, 2109, 2220, 2265, 2718, 2812, 2869, 3020, 3330, 3420, 3515, 4218, 4530, 5436, 5587, 5738, 6327, 6660, 6795, 7030, 8436, 8607, 9060, 10545, 11174, 11476, 12654, 13590, 14060, 14345, 16761, 17214, 21090, 22348, 25308, 25821, 27180, 27935, 28690, 31635, 33522, 34428, 42180, 43035, 50283, 51642, 55870, 57380, 63270, 67044, 83805, 86070, 100566, 103284, 106153, 111740, 126540, 129105, 167610, 172140, 201132, 212306, 251415, 258210, 318459, 335220, 424612, 502830, 516420, 530765, 636918, 955377, 1005660, 1061530, 1273836, 1592295, 1910754, 2123060, 3184590, 3821508, 4776885, 6369180, 9553770, 19107540]

約数ペア:

[(1, 19107540), (2, 9553770), (3, 6369180), (4, 4776885), (5, 3821508), (6, 3184590), (9, 2123060), (10, 1910754), (12, 1592295), (15, 1273836), (18, 1061530), (19, 1005660), (20, 955377), (30, 636918), (36, 530765), (37, 516420), (38, 502830), (45, 424612), (57, 335220), (60, 318459), (74, 258210), (76, 251415), (90, 212306), (95, 201132), (111, 172140), (114, 167610), (148, 129105), (151, 126540), (171, 111740), (180, 106153), (185, 103284), (190, 100566), (222, 86070), (228, 83805), (285, 67044), (302, 63270), (333, 57380), (342, 55870), (370, 51642), (380, 50283), (444, 43035), (453, 42180), (555, 34428), (570, 33522), (604, 31635), (666, 28690), (684, 27935), (703, 27180), (740, 25821), (755, 25308), (855, 22348), (906, 21090), (1110, 17214), (1140, 16761), (1332, 14345), (1359, 14060), (1406, 13590), (1510, 12654), (1665, 11476), (1710, 11174), (1812, 10545), (2109, 9060), (2220, 8607), (2265, 8436), (2718, 7030), (2812, 6795), (2869, 6660), (3020, 6327), (3330, 5738), (3420, 5587), (3515, 5436), (4218, 4530)]