19707402

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 46964736

約数和(自身を除く): 27257334

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 103, 143, 206, 223, 286, 309, 429, 446, 618, 669, 858, 1133, 1338, 1339, 2266, 2453, 2678, 2899, 3399, 4017, 4906, 5798, 6798, 7359, 8034, 8697, 14718, 14729, 17394, 22969, 29458, 31889, 44187, 45938, 63778, 68907, 88374, 95667, 137814, 191334, 252659, 298597, 505318, 597194, 757977, 895791, 1515954, 1791582, 3284567, 6569134, 9853701, 19707402]

約数ペア:

[(1, 19707402), (2, 9853701), (3, 6569134), (6, 3284567), (11, 1791582), (13, 1515954), (22, 895791), (26, 757977), (33, 597194), (39, 505318), (66, 298597), (78, 252659), (103, 191334), (143, 137814), (206, 95667), (223, 88374), (286, 68907), (309, 63778), (429, 45938), (446, 44187), (618, 31889), (669, 29458), (858, 22969), (1133, 17394), (1338, 14729), (1339, 14718), (2266, 8697), (2453, 8034), (2678, 7359), (2899, 6798), (3399, 5798), (4017, 4906)]