19420256

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 22492384

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 464, 493, 544, 928, 986, 1231, 1972, 2462, 3944, 4924, 7888, 9848, 15776, 19696, 20927, 35699, 39392, 41854, 71398, 83708, 142796, 167416, 285592, 334832, 571184, 606883, 669664, 1142368, 1213766, 2427532, 4855064, 9710128, 19420256]

約数ペア:

[(1, 19420256), (2, 9710128), (4, 4855064), (8, 2427532), (16, 1213766), (17, 1142368), (29, 669664), (32, 606883), (34, 571184), (58, 334832), (68, 285592), (116, 167416), (136, 142796), (232, 83708), (272, 71398), (464, 41854), (493, 39392), (544, 35699), (928, 20927), (986, 19696), (1231, 15776), (1972, 9848), (2462, 7888), (3944, 4924)]