19667220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 38393580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 89, 116, 127, 145, 174, 178, 254, 267, 290, 348, 356, 381, 435, 445, 508, 534, 580, 635, 762, 870, 890, 1068, 1270, 1335, 1524, 1740, 1780, 1905, 2540, 2581, 2670, 3683, 3810, 5162, 5340, 7366, 7620, 7743, 10324, 11049, 11303, 12905, 14732, 15486, 18415, 22098, 22606, 25810, 30972, 33909, 36830, 38715, 44196, 45212, 51620, 55245, 56515, 67818, 73660, 77430, 110490, 113030, 135636, 154860, 169545, 220980, 226060, 327787, 339090, 655574, 678180, 983361, 1311148, 1638935, 1966722, 3277870, 3933444, 4916805, 6555740, 9833610, 19667220]

約数ペア:

[(1, 19667220), (2, 9833610), (3, 6555740), (4, 4916805), (5, 3933444), (6, 3277870), (10, 1966722), (12, 1638935), (15, 1311148), (20, 983361), (29, 678180), (30, 655574), (58, 339090), (60, 327787), (87, 226060), (89, 220980), (116, 169545), (127, 154860), (145, 135636), (174, 113030), (178, 110490), (254, 77430), (267, 73660), (290, 67818), (348, 56515), (356, 55245), (381, 51620), (435, 45212), (445, 44196), (508, 38715), (534, 36830), (580, 33909), (635, 30972), (762, 25810), (870, 22606), (890, 22098), (1068, 18415), (1270, 15486), (1335, 14732), (1524, 12905), (1740, 11303), (1780, 11049), (1905, 10324), (2540, 7743), (2581, 7620), (2670, 7366), (3683, 5340), (3810, 5162)]