19556440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{733}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 47563200

約数和(自身を除く): 28006760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 733, 920, 1160, 1334, 1466, 2668, 2932, 3335, 3665, 5336, 5864, 6670, 7330, 13340, 14660, 16859, 21257, 26680, 29320, 33718, 42514, 67436, 84295, 85028, 106285, 134872, 168590, 170056, 212570, 337180, 425140, 488911, 674360, 850280, 977822, 1955644, 2444555, 3911288, 4889110, 9778220, 19556440]

約数ペア:

[(1, 19556440), (2, 9778220), (4, 4889110), (5, 3911288), (8, 2444555), (10, 1955644), (20, 977822), (23, 850280), (29, 674360), (40, 488911), (46, 425140), (58, 337180), (92, 212570), (115, 170056), (116, 168590), (145, 134872), (184, 106285), (230, 85028), (232, 84295), (290, 67436), (460, 42514), (580, 33718), (667, 29320), (733, 26680), (920, 21257), (1160, 16859), (1334, 14660), (1466, 13340), (2668, 7330), (2932, 6670), (3335, 5864), (3665, 5336)]