19560918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 25678122

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 67, 78, 114, 134, 197, 201, 247, 394, 402, 494, 591, 741, 871, 1182, 1273, 1482, 1742, 2546, 2561, 2613, 3743, 3819, 5122, 5226, 7486, 7638, 7683, 11229, 13199, 15366, 16549, 22458, 26398, 33098, 39597, 48659, 49647, 79194, 97318, 99294, 145977, 171587, 250781, 291954, 343174, 501562, 514761, 752343, 1029522, 1504686, 3260153, 6520306, 9780459, 19560918]

約数ペア:

[(1, 19560918), (2, 9780459), (3, 6520306), (6, 3260153), (13, 1504686), (19, 1029522), (26, 752343), (38, 514761), (39, 501562), (57, 343174), (67, 291954), (78, 250781), (114, 171587), (134, 145977), (197, 99294), (201, 97318), (247, 79194), (394, 49647), (402, 48659), (494, 39597), (591, 33098), (741, 26398), (871, 22458), (1182, 16549), (1273, 15366), (1482, 13199), (1742, 11229), (2546, 7683), (2561, 7638), (2613, 7486), (3743, 5226), (3819, 5122)]