18862760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 52876800

約数和(自身を除く): 34014040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 92, 101, 115, 116, 140, 145, 161, 184, 202, 203, 230, 232, 280, 290, 322, 404, 406, 460, 505, 580, 644, 667, 707, 805, 808, 812, 920, 1010, 1015, 1160, 1288, 1334, 1414, 1610, 1624, 2020, 2030, 2323, 2668, 2828, 2929, 3220, 3335, 3535, 4040, 4060, 4646, 4669, 5336, 5656, 5858, 6440, 6670, 7070, 8120, 9292, 9338, 11615, 11716, 13340, 14140, 14645, 16261, 18584, 18676, 20503, 23230, 23345, 23432, 26680, 28280, 29290, 32522, 37352, 41006, 46460, 46690, 58580, 65044, 67367, 81305, 82012, 92920, 93380, 102515, 117160, 130088, 134734, 162610, 164024, 186760, 205030, 269468, 325220, 336835, 410060, 471569, 538936, 650440, 673670, 820120, 943138, 1347340, 1886276, 2357845, 2694680, 3772552, 4715690, 9431380, 18862760]

約数ペア:

[(1, 18862760), (2, 9431380), (4, 4715690), (5, 3772552), (7, 2694680), (8, 2357845), (10, 1886276), (14, 1347340), (20, 943138), (23, 820120), (28, 673670), (29, 650440), (35, 538936), (40, 471569), (46, 410060), (56, 336835), (58, 325220), (70, 269468), (92, 205030), (101, 186760), (115, 164024), (116, 162610), (140, 134734), (145, 130088), (161, 117160), (184, 102515), (202, 93380), (203, 92920), (230, 82012), (232, 81305), (280, 67367), (290, 65044), (322, 58580), (404, 46690), (406, 46460), (460, 41006), (505, 37352), (580, 32522), (644, 29290), (667, 28280), (707, 26680), (805, 23432), (808, 23345), (812, 23230), (920, 20503), (1010, 18676), (1015, 18584), (1160, 16261), (1288, 14645), (1334, 14140), (1414, 13340), (1610, 11716), (1624, 11615), (2020, 9338), (2030, 9292), (2323, 8120), (2668, 7070), (2828, 6670), (2929, 6440), (3220, 5858), (3335, 5656), (3535, 5336), (4040, 4669), (4060, 4646)]