18439424

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 41207040

約数和(自身を除く): 22767616

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 223, 256, 272, 304, 323, 446, 544, 608, 646, 892, 1088, 1216, 1292, 1784, 2176, 2432, 2584, 3568, 3791, 4237, 4352, 4864, 5168, 7136, 7582, 8474, 10336, 14272, 15164, 16948, 20672, 28544, 30328, 33896, 41344, 57088, 60656, 67792, 72029, 82688, 121312, 135584, 144058, 242624, 271168, 288116, 485248, 542336, 576232, 970496, 1084672, 1152464, 2304928, 4609856, 9219712, 18439424]

約数ペア:

[(1, 18439424), (2, 9219712), (4, 4609856), (8, 2304928), (16, 1152464), (17, 1084672), (19, 970496), (32, 576232), (34, 542336), (38, 485248), (64, 288116), (68, 271168), (76, 242624), (128, 144058), (136, 135584), (152, 121312), (223, 82688), (256, 72029), (272, 67792), (304, 60656), (323, 57088), (446, 41344), (544, 33896), (608, 30328), (646, 28544), (892, 20672), (1088, 16948), (1216, 15164), (1292, 14272), (1784, 10336), (2176, 8474), (2432, 7582), (2584, 7136), (3568, 5168), (3791, 4864), (4237, 4352)]