19801056

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1103}}^1$

素因数の和:1144

約数の個数: 96

約数和(自身を含む): 60092928

約数和(自身を除く): 40291872

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 66, 68, 88, 96, 102, 132, 136, 176, 187, 204, 264, 272, 352, 374, 408, 528, 544, 561, 748, 816, 1056, 1103, 1122, 1496, 1632, 2206, 2244, 2992, 3309, 4412, 4488, 5984, 6618, 8824, 8976, 12133, 13236, 17648, 17952, 18751, 24266, 26472, 35296, 36399, 37502, 48532, 52944, 56253, 72798, 75004, 97064, 105888, 112506, 145596, 150008, 194128, 206261, 225012, 291192, 300016, 388256, 412522, 450024, 582384, 600032, 618783, 825044, 900048, 1164768, 1237566, 1650088, 1800096, 2475132, 3300176, 4950264, 6600352, 9900528, 19801056]

約数ペア:

[(1, 19801056), (2, 9900528), (3, 6600352), (4, 4950264), (6, 3300176), (8, 2475132), (11, 1800096), (12, 1650088), (16, 1237566), (17, 1164768), (22, 900048), (24, 825044), (32, 618783), (33, 600032), (34, 582384), (44, 450024), (48, 412522), (51, 388256), (66, 300016), (68, 291192), (88, 225012), (96, 206261), (102, 194128), (132, 150008), (136, 145596), (176, 112506), (187, 105888), (204, 97064), (264, 75004), (272, 72798), (352, 56253), (374, 52944), (408, 48532), (528, 37502), (544, 36399), (561, 35296), (748, 26472), (816, 24266), (1056, 18751), (1103, 17952), (1122, 17648), (1496, 13236), (1632, 12133), (2206, 8976), (2244, 8824), (2992, 6618), (3309, 5984), (4412, 4488)]