19916352

素因数分解:

$2^6\times 3^2\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:576

約数の個数: 84

約数和(自身を含む): 58009536

約数和(自身を除く): 38093184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 142, 144, 192, 213, 284, 288, 426, 487, 568, 576, 639, 852, 974, 1136, 1278, 1461, 1704, 1948, 2272, 2556, 2922, 3408, 3896, 4383, 4544, 5112, 5844, 6816, 7792, 8766, 10224, 11688, 13632, 15584, 17532, 20448, 23376, 31168, 34577, 35064, 40896, 46752, 69154, 70128, 93504, 103731, 138308, 140256, 207462, 276616, 280512, 311193, 414924, 553232, 622386, 829848, 1106464, 1244772, 1659696, 2212928, 2489544, 3319392, 4979088, 6638784, 9958176, 19916352]

約数ペア:

[(1, 19916352), (2, 9958176), (3, 6638784), (4, 4979088), (6, 3319392), (8, 2489544), (9, 2212928), (12, 1659696), (16, 1244772), (18, 1106464), (24, 829848), (32, 622386), (36, 553232), (48, 414924), (64, 311193), (71, 280512), (72, 276616), (96, 207462), (142, 140256), (144, 138308), (192, 103731), (213, 93504), (284, 70128), (288, 69154), (426, 46752), (487, 40896), (568, 35064), (576, 34577), (639, 31168), (852, 23376), (974, 20448), (1136, 17532), (1278, 15584), (1461, 13632), (1704, 11688), (1948, 10224), (2272, 8766), (2556, 7792), (2922, 6816), (3408, 5844), (3896, 5112), (4383, 4544)]