19261620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15287}}^1$

素因数の和:15309

約数の個数: 72

約数和(自身を含む): 66777984

約数和(自身を除く): 47516364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15287, 30574, 45861, 61148, 76435, 91722, 107009, 137583, 152870, 183444, 214018, 229305, 275166, 305740, 321027, 428036, 458610, 535045, 550332, 642054, 687915, 917220, 963081, 1070090, 1284108, 1375830, 1605135, 1926162, 2140180, 2751660, 3210270, 3852324, 4815405, 6420540, 9630810, 19261620]

約数ペア:

[(1, 19261620), (2, 9630810), (3, 6420540), (4, 4815405), (5, 3852324), (6, 3210270), (7, 2751660), (9, 2140180), (10, 1926162), (12, 1605135), (14, 1375830), (15, 1284108), (18, 1070090), (20, 963081), (21, 917220), (28, 687915), (30, 642054), (35, 550332), (36, 535045), (42, 458610), (45, 428036), (60, 321027), (63, 305740), (70, 275166), (84, 229305), (90, 214018), (105, 183444), (126, 152870), (140, 137583), (180, 107009), (210, 91722), (252, 76435), (315, 61148), (420, 45861), (630, 30574), (1260, 15287)]