19201120

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2927}}^1$

素因数の和:2983

約数の個数: 48

約数和(自身を含む): 46484928

約数和(自身を除く): 27283808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2927, 3280, 5854, 6560, 11708, 14635, 23416, 29270, 46832, 58540, 93664, 117080, 120007, 234160, 240014, 468320, 480028, 600035, 960056, 1200070, 1920112, 2400140, 3840224, 4800280, 9600560, 19201120]

約数ペア:

[(1, 19201120), (2, 9600560), (4, 4800280), (5, 3840224), (8, 2400140), (10, 1920112), (16, 1200070), (20, 960056), (32, 600035), (40, 480028), (41, 468320), (80, 240014), (82, 234160), (160, 120007), (164, 117080), (205, 93664), (328, 58540), (410, 46832), (656, 29270), (820, 23416), (1312, 14635), (1640, 11708), (2927, 6560), (3280, 5854)]