19005234944

素因数分解:

$2^8\times {\mathrm{43}}^2\times {\mathrm{40151}}^1$

素因数の和:40253

約数の個数: 54

約数和(自身を含む): 38839953096

約数和(自身を除く): 19834718152

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 1849, 2752, 3698, 5504, 7396, 11008, 14792, 29584, 40151, 59168, 80302, 118336, 160604, 236672, 321208, 473344, 642416, 1284832, 1726493, 2569664, 3452986, 5139328, 6905972, 10278656, 13811944, 27623888, 55247776, 74239199, 110495552, 148478398, 220991104, 296956796, 441982208, 593913592, 1187827184, 2375654368, 4751308736, 9502617472, 19005234944]

約数ペア:

[(1, 19005234944), (2, 9502617472), (4, 4751308736), (8, 2375654368), (16, 1187827184), (32, 593913592), (43, 441982208), (64, 296956796), (86, 220991104), (128, 148478398), (172, 110495552), (256, 74239199), (344, 55247776), (688, 27623888), (1376, 13811944), (1849, 10278656), (2752, 6905972), (3698, 5139328), (5504, 3452986), (7396, 2569664), (11008, 1726493), (14792, 1284832), (29584, 642416), (40151, 473344), (59168, 321208), (80302, 236672), (118336, 160604)]