19680444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2693}}^1$

素因数の和:2739

約数の個数: 72

約数和(自身を含む): 58836960

約数和(自身を除く): 39156516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2693, 3654, 5386, 7308, 8079, 10772, 16158, 18851, 24237, 32316, 37702, 48474, 56553, 75404, 78097, 96948, 113106, 156194, 169659, 226212, 234291, 312388, 339318, 468582, 546679, 678636, 702873, 937164, 1093358, 1405746, 1640037, 2186716, 2811492, 3280074, 4920111, 6560148, 9840222, 19680444]

約数ペア:

[(1, 19680444), (2, 9840222), (3, 6560148), (4, 4920111), (6, 3280074), (7, 2811492), (9, 2186716), (12, 1640037), (14, 1405746), (18, 1093358), (21, 937164), (28, 702873), (29, 678636), (36, 546679), (42, 468582), (58, 339318), (63, 312388), (84, 234291), (87, 226212), (116, 169659), (126, 156194), (174, 113106), (203, 96948), (252, 78097), (261, 75404), (348, 56553), (406, 48474), (522, 37702), (609, 32316), (812, 24237), (1044, 18851), (1218, 16158), (1827, 10772), (2436, 8079), (2693, 7308), (3654, 5386)]