19243328

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 56

約数和(自身を含む): 41711880

約数和(自身を除く): 22468552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 101, 104, 202, 208, 229, 404, 416, 458, 808, 832, 916, 1313, 1616, 1832, 2626, 2977, 3232, 3664, 5252, 5954, 6464, 7328, 10504, 11908, 14656, 21008, 23129, 23816, 42016, 46258, 47632, 84032, 92516, 95264, 185032, 190528, 300677, 370064, 601354, 740128, 1202708, 1480256, 2405416, 4810832, 9621664, 19243328]

約数ペア:

[(1, 19243328), (2, 9621664), (4, 4810832), (8, 2405416), (13, 1480256), (16, 1202708), (26, 740128), (32, 601354), (52, 370064), (64, 300677), (101, 190528), (104, 185032), (202, 95264), (208, 92516), (229, 84032), (404, 47632), (416, 46258), (458, 42016), (808, 23816), (832, 23129), (916, 21008), (1313, 14656), (1616, 11908), (1832, 10504), (2626, 7328), (2977, 6464), (3232, 5954), (3664, 5252)]