1917903832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1\times {\mathrm{461}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 3927369600

約数和(自身を除く): 2009465768

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 367, 436, 461, 734, 872, 922, 1417, 1468, 1844, 2834, 2936, 3688, 4771, 5668, 5993, 9542, 11336, 11986, 19084, 23972, 38168, 40003, 47944, 50249, 80006, 100498, 160012, 169187, 200996, 320024, 338374, 401992, 520039, 653237, 676748, 1040078, 1306474, 1353496, 2080156, 2199431, 2612948, 4160312, 4398862, 5225896, 8797724, 17595448, 18441383, 36882766, 73765532, 147531064, 239737979, 479475958, 958951916, 1917903832]

約数ペア:

[(1, 1917903832), (2, 958951916), (4, 479475958), (8, 239737979), (13, 147531064), (26, 73765532), (52, 36882766), (104, 18441383), (109, 17595448), (218, 8797724), (367, 5225896), (436, 4398862), (461, 4160312), (734, 2612948), (872, 2199431), (922, 2080156), (1417, 1353496), (1468, 1306474), (1844, 1040078), (2834, 676748), (2936, 653237), (3688, 520039), (4771, 401992), (5668, 338374), (5993, 320024), (9542, 200996), (11336, 169187), (11986, 160012), (19084, 100498), (23972, 80006), (38168, 50249), (40003, 47944)]