19375730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 19694350

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 121, 134, 239, 242, 335, 478, 605, 670, 737, 1195, 1210, 1474, 2390, 2629, 3685, 5258, 7370, 8107, 13145, 16013, 16214, 26290, 28919, 32026, 40535, 57838, 80065, 81070, 144595, 160130, 176143, 289190, 352286, 880715, 1761430, 1937573, 3875146, 9687865, 19375730]

約数ペア:

[(1, 19375730), (2, 9687865), (5, 3875146), (10, 1937573), (11, 1761430), (22, 880715), (55, 352286), (67, 289190), (110, 176143), (121, 160130), (134, 144595), (239, 81070), (242, 80065), (335, 57838), (478, 40535), (605, 32026), (670, 28919), (737, 26290), (1195, 16214), (1210, 16013), (1474, 13145), (2390, 8107), (2629, 7370), (3685, 5258)]