19863376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 44528400

約数和(自身を除く): 24665024

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 37, 52, 58, 74, 89, 104, 116, 148, 178, 208, 232, 296, 356, 377, 464, 481, 592, 712, 754, 962, 1073, 1157, 1424, 1508, 1924, 2146, 2314, 2581, 3016, 3293, 3848, 4292, 4628, 5162, 6032, 6586, 7696, 8584, 9256, 10324, 13172, 13949, 17168, 18512, 20648, 26344, 27898, 33553, 41296, 42809, 52688, 55796, 67106, 85618, 95497, 111592, 134212, 171236, 190994, 223184, 268424, 342472, 381988, 536848, 684944, 763976, 1241461, 1527952, 2482922, 4965844, 9931688, 19863376]

約数ペア:

[(1, 19863376), (2, 9931688), (4, 4965844), (8, 2482922), (13, 1527952), (16, 1241461), (26, 763976), (29, 684944), (37, 536848), (52, 381988), (58, 342472), (74, 268424), (89, 223184), (104, 190994), (116, 171236), (148, 134212), (178, 111592), (208, 95497), (232, 85618), (296, 67106), (356, 55796), (377, 52688), (464, 42809), (481, 41296), (592, 33553), (712, 27898), (754, 26344), (962, 20648), (1073, 18512), (1157, 17168), (1424, 13949), (1508, 13172), (1924, 10324), (2146, 9256), (2314, 8584), (2581, 7696), (3016, 6586), (3293, 6032), (3848, 5162), (4292, 4628)]