19868256

素因数分解:

$2^5\times 3^2\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:628

約数の個数: 72

約数和(自身を含む): 57002400

約数和(自身を除く): 37134144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 149, 288, 298, 447, 463, 596, 894, 926, 1192, 1341, 1389, 1788, 1852, 2384, 2682, 2778, 3576, 3704, 4167, 4768, 5364, 5556, 7152, 7408, 8334, 10728, 11112, 14304, 14816, 16668, 21456, 22224, 33336, 42912, 44448, 66672, 68987, 133344, 137974, 206961, 275948, 413922, 551896, 620883, 827844, 1103792, 1241766, 1655688, 2207584, 2483532, 3311376, 4967064, 6622752, 9934128, 19868256]

約数ペア:

[(1, 19868256), (2, 9934128), (3, 6622752), (4, 4967064), (6, 3311376), (8, 2483532), (9, 2207584), (12, 1655688), (16, 1241766), (18, 1103792), (24, 827844), (32, 620883), (36, 551896), (48, 413922), (72, 275948), (96, 206961), (144, 137974), (149, 133344), (288, 68987), (298, 66672), (447, 44448), (463, 42912), (596, 33336), (894, 22224), (926, 21456), (1192, 16668), (1341, 14816), (1389, 14304), (1788, 11112), (1852, 10728), (2384, 8334), (2682, 7408), (2778, 7152), (3576, 5556), (3704, 5364), (4167, 4768)]