19647888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 58621248

約数和(自身を除く): 38973360

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 37, 39, 46, 48, 52, 69, 74, 78, 92, 104, 111, 138, 148, 156, 184, 208, 222, 276, 296, 299, 312, 368, 444, 481, 552, 592, 598, 624, 851, 888, 897, 962, 1104, 1196, 1369, 1443, 1702, 1776, 1794, 1924, 2392, 2553, 2738, 2886, 3404, 3588, 3848, 4107, 4784, 5106, 5476, 5772, 6808, 7176, 7696, 8214, 10212, 10952, 11063, 11544, 13616, 14352, 16428, 17797, 20424, 21904, 22126, 23088, 31487, 32856, 33189, 35594, 40848, 44252, 53391, 62974, 65712, 66378, 71188, 88504, 94461, 106782, 125948, 132756, 142376, 177008, 188922, 213564, 251896, 265512, 284752, 377844, 409331, 427128, 503792, 531024, 755688, 818662, 854256, 1227993, 1511376, 1637324, 2455986, 3274648, 4911972, 6549296, 9823944, 19647888]

約数ペア:

[(1, 19647888), (2, 9823944), (3, 6549296), (4, 4911972), (6, 3274648), (8, 2455986), (12, 1637324), (13, 1511376), (16, 1227993), (23, 854256), (24, 818662), (26, 755688), (37, 531024), (39, 503792), (46, 427128), (48, 409331), (52, 377844), (69, 284752), (74, 265512), (78, 251896), (92, 213564), (104, 188922), (111, 177008), (138, 142376), (148, 132756), (156, 125948), (184, 106782), (208, 94461), (222, 88504), (276, 71188), (296, 66378), (299, 65712), (312, 62974), (368, 53391), (444, 44252), (481, 40848), (552, 35594), (592, 33189), (598, 32856), (624, 31487), (851, 23088), (888, 22126), (897, 21904), (962, 20424), (1104, 17797), (1196, 16428), (1369, 14352), (1443, 13616), (1702, 11544), (1776, 11063), (1794, 10952), (1924, 10212), (2392, 8214), (2553, 7696), (2738, 7176), (2886, 6808), (3404, 5772), (3588, 5476), (3848, 5106), (4107, 4784)]