19496820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:841

約数の個数: 96

約数和(自身を含む): 63495936

約数和(自身を除く): 43999116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 761, 854, 915, 1220, 1281, 1522, 1708, 1830, 2135, 2283, 2562, 3044, 3660, 3805, 4270, 4566, 5124, 5327, 6405, 7610, 8540, 9132, 10654, 11415, 12810, 15220, 15981, 21308, 22830, 25620, 26635, 31962, 45660, 46421, 53270, 63924, 79905, 92842, 106540, 139263, 159810, 185684, 232105, 278526, 319620, 324947, 464210, 557052, 649894, 696315, 928420, 974841, 1299788, 1392630, 1624735, 1949682, 2785260, 3249470, 3899364, 4874205, 6498940, 9748410, 19496820]

約数ペア:

[(1, 19496820), (2, 9748410), (3, 6498940), (4, 4874205), (5, 3899364), (6, 3249470), (7, 2785260), (10, 1949682), (12, 1624735), (14, 1392630), (15, 1299788), (20, 974841), (21, 928420), (28, 696315), (30, 649894), (35, 557052), (42, 464210), (60, 324947), (61, 319620), (70, 278526), (84, 232105), (105, 185684), (122, 159810), (140, 139263), (183, 106540), (210, 92842), (244, 79905), (305, 63924), (366, 53270), (420, 46421), (427, 45660), (610, 31962), (732, 26635), (761, 25620), (854, 22830), (915, 21308), (1220, 15981), (1281, 15220), (1522, 12810), (1708, 11415), (1830, 10654), (2135, 9132), (2283, 8540), (2562, 7610), (3044, 6405), (3660, 5327), (3805, 5124), (4270, 4566)]