19504914

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26943726

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 127, 143, 179, 254, 286, 358, 381, 429, 537, 762, 858, 1074, 1397, 1651, 1969, 2327, 2794, 3302, 3938, 4191, 4654, 4953, 5907, 6981, 8382, 9906, 11814, 13962, 18161, 22733, 25597, 36322, 45466, 51194, 54483, 68199, 76791, 108966, 136398, 153582, 250063, 295529, 500126, 591058, 750189, 886587, 1500378, 1773174, 3250819, 6501638, 9752457, 19504914]

約数ペア:

[(1, 19504914), (2, 9752457), (3, 6501638), (6, 3250819), (11, 1773174), (13, 1500378), (22, 886587), (26, 750189), (33, 591058), (39, 500126), (66, 295529), (78, 250063), (127, 153582), (143, 136398), (179, 108966), (254, 76791), (286, 68199), (358, 54483), (381, 51194), (429, 45466), (537, 36322), (762, 25597), (858, 22733), (1074, 18161), (1397, 13962), (1651, 11814), (1969, 9906), (2327, 8382), (2794, 6981), (3302, 5907), (3938, 4953), (4191, 4654)]