19131216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 160

約数和(自身を含む): 58662912

約数和(自身を除く): 39531696

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 31, 39, 43, 46, 48, 52, 62, 69, 78, 86, 92, 93, 104, 124, 129, 138, 156, 172, 184, 186, 208, 248, 258, 276, 299, 312, 344, 368, 372, 403, 496, 516, 552, 559, 598, 624, 688, 713, 744, 806, 897, 989, 1032, 1104, 1118, 1196, 1209, 1333, 1426, 1488, 1612, 1677, 1794, 1978, 2064, 2139, 2236, 2392, 2418, 2666, 2852, 2967, 3224, 3354, 3588, 3956, 3999, 4278, 4472, 4784, 4836, 5332, 5704, 5934, 6448, 6708, 7176, 7912, 7998, 8556, 8944, 9269, 9672, 10664, 11408, 11868, 12857, 13416, 14352, 15824, 15996, 17112, 17329, 18538, 19344, 21328, 23736, 25714, 26832, 27807, 30659, 31992, 34224, 34658, 37076, 38571, 47472, 51428, 51987, 55614, 61318, 63984, 69316, 74152, 77142, 91977, 102856, 103974, 111228, 122636, 138632, 148304, 154284, 183954, 205712, 207948, 222456, 245272, 277264, 308568, 367908, 398567, 415896, 444912, 490544, 617136, 735816, 797134, 831792, 1195701, 1471632, 1594268, 2391402, 3188536, 4782804, 6377072, 9565608, 19131216]

約数ペア:

[(1, 19131216), (2, 9565608), (3, 6377072), (4, 4782804), (6, 3188536), (8, 2391402), (12, 1594268), (13, 1471632), (16, 1195701), (23, 831792), (24, 797134), (26, 735816), (31, 617136), (39, 490544), (43, 444912), (46, 415896), (48, 398567), (52, 367908), (62, 308568), (69, 277264), (78, 245272), (86, 222456), (92, 207948), (93, 205712), (104, 183954), (124, 154284), (129, 148304), (138, 138632), (156, 122636), (172, 111228), (184, 103974), (186, 102856), (208, 91977), (248, 77142), (258, 74152), (276, 69316), (299, 63984), (312, 61318), (344, 55614), (368, 51987), (372, 51428), (403, 47472), (496, 38571), (516, 37076), (552, 34658), (559, 34224), (598, 31992), (624, 30659), (688, 27807), (713, 26832), (744, 25714), (806, 23736), (897, 21328), (989, 19344), (1032, 18538), (1104, 17329), (1118, 17112), (1196, 15996), (1209, 15824), (1333, 14352), (1426, 13416), (1488, 12857), (1612, 11868), (1677, 11408), (1794, 10664), (1978, 9672), (2064, 9269), (2139, 8944), (2236, 8556), (2392, 7998), (2418, 7912), (2666, 7176), (2852, 6708), (2967, 6448), (3224, 5934), (3354, 5704), (3588, 5332), (3956, 4836), (3999, 4784), (4278, 4472)]