19213860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1789}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 54129600

約数和(自身を除く): 34915740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1789, 1790, 2148, 2685, 3578, 3580, 5367, 5370, 7156, 8945, 10734, 10740, 17890, 21468, 26835, 35780, 53670, 107340, 320231, 640462, 960693, 1280924, 1601155, 1921386, 3202310, 3842772, 4803465, 6404620, 9606930, 19213860]

約数ペア:

[(1, 19213860), (2, 9606930), (3, 6404620), (4, 4803465), (5, 3842772), (6, 3202310), (10, 1921386), (12, 1601155), (15, 1280924), (20, 960693), (30, 640462), (60, 320231), (179, 107340), (358, 53670), (537, 35780), (716, 26835), (895, 21468), (1074, 17890), (1789, 10740), (1790, 10734), (2148, 8945), (2685, 7156), (3578, 5370), (3580, 5367)]