19494540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2808

約数の個数: 96

約数和(自身を含む): 65338560

約数和(自身を除く): 45844020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2777, 3510, 5554, 7020, 8331, 11108, 13885, 16662, 24993, 27770, 33324, 36101, 41655, 49986, 55540, 72202, 74979, 83310, 99972, 108303, 124965, 144404, 149958, 166620, 180505, 216606, 249930, 299916, 324909, 361010, 374895, 433212, 499860, 541515, 649818, 722020, 749790, 974727, 1083030, 1299636, 1499580, 1624545, 1949454, 2166060, 3249090, 3898908, 4873635, 6498180, 9747270, 19494540]

約数ペア:

[(1, 19494540), (2, 9747270), (3, 6498180), (4, 4873635), (5, 3898908), (6, 3249090), (9, 2166060), (10, 1949454), (12, 1624545), (13, 1499580), (15, 1299636), (18, 1083030), (20, 974727), (26, 749790), (27, 722020), (30, 649818), (36, 541515), (39, 499860), (45, 433212), (52, 374895), (54, 361010), (60, 324909), (65, 299916), (78, 249930), (90, 216606), (108, 180505), (117, 166620), (130, 149958), (135, 144404), (156, 124965), (180, 108303), (195, 99972), (234, 83310), (260, 74979), (270, 72202), (351, 55540), (390, 49986), (468, 41655), (540, 36101), (585, 33324), (702, 27770), (780, 24993), (1170, 16662), (1404, 13885), (1755, 11108), (2340, 8331), (2777, 7020), (3510, 5554)]