201991812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1953

約数の個数: 96

約数和(自身を含む): 554104320

約数和(自身を除く): 352112508

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 43, 44, 57, 66, 76, 86, 114, 129, 132, 172, 209, 228, 258, 418, 473, 516, 627, 817, 836, 946, 1254, 1419, 1634, 1873, 1892, 2451, 2508, 2838, 3268, 3746, 4902, 5619, 5676, 7492, 8987, 9804, 11238, 17974, 20603, 22476, 26961, 35587, 35948, 41206, 53922, 61809, 71174, 80539, 82412, 106761, 107844, 123618, 142348, 161078, 213522, 241617, 247236, 322156, 391457, 427044, 483234, 782914, 885929, 966468, 1174371, 1530241, 1565828, 1771858, 2348742, 2657787, 3060482, 3543716, 4590723, 4697484, 5315574, 6120964, 9181446, 10631148, 16832651, 18362892, 33665302, 50497953, 67330604, 100995906, 201991812]

約数ペア:

[(1, 201991812), (2, 100995906), (3, 67330604), (4, 50497953), (6, 33665302), (11, 18362892), (12, 16832651), (19, 10631148), (22, 9181446), (33, 6120964), (38, 5315574), (43, 4697484), (44, 4590723), (57, 3543716), (66, 3060482), (76, 2657787), (86, 2348742), (114, 1771858), (129, 1565828), (132, 1530241), (172, 1174371), (209, 966468), (228, 885929), (258, 782914), (418, 483234), (473, 427044), (516, 391457), (627, 322156), (817, 247236), (836, 241617), (946, 213522), (1254, 161078), (1419, 142348), (1634, 123618), (1873, 107844), (1892, 106761), (2451, 82412), (2508, 80539), (2838, 71174), (3268, 61809), (3746, 53922), (4902, 41206), (5619, 35948), (5676, 35587), (7492, 26961), (8987, 22476), (9804, 20603), (11238, 17974)]