18731904972795

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{46934779}}^1$

素因数の和:46934985

約数の個数: 72

約数和(自身を含む): 37978309802160

約数和(自身を除く): 19246404829365

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 181, 245, 315, 441, 543, 735, 905, 1267, 1629, 2205, 2715, 3801, 6335, 8145, 8869, 11403, 19005, 26607, 44345, 57015, 79821, 133035, 399105, 46934779, 140804337, 234673895, 328543453, 422413011, 704021685, 985630359, 1642717265, 2112065055, 2299804171, 2956891077, 4928151795, 6899412513, 8495194999, 11499020855, 14784455385, 20698237539, 25485584997, 34497062565, 42475974995, 59466364993, 76456754991, 103491187695, 127427924985, 178399094979, 297331824965, 382283774955, 416264554951, 535197284937, 891995474895, 1248793664853, 2081322774755, 2675986424685, 3746380994559, 6243968324265, 18731904972795]

約数ペア:

[(1, 18731904972795), (3, 6243968324265), (5, 3746380994559), (7, 2675986424685), (9, 2081322774755), (15, 1248793664853), (21, 891995474895), (35, 535197284937), (45, 416264554951), (49, 382283774955), (63, 297331824965), (105, 178399094979), (147, 127427924985), (181, 103491187695), (245, 76456754991), (315, 59466364993), (441, 42475974995), (543, 34497062565), (735, 25485584997), (905, 20698237539), (1267, 14784455385), (1629, 11499020855), (2205, 8495194999), (2715, 6899412513), (3801, 4928151795), (6335, 2956891077), (8145, 2299804171), (8869, 2112065055), (11403, 1642717265), (19005, 985630359), (26607, 704021685), (44345, 422413011), (57015, 328543453), (79821, 234673895), (133035, 140804337), (399105, 46934779)]