19143904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1$

素因数の和:2747

約数の個数: 48

約数和(自身を含む): 42992208

約数和(自身を除く): 23848304

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2707, 3536, 5414, 7072, 10828, 21656, 35191, 43312, 46019, 70382, 86624, 92038, 140764, 184076, 281528, 368152, 563056, 598247, 736304, 1126112, 1196494, 1472608, 2392988, 4785976, 9571952, 19143904]

約数ペア:

[(1, 19143904), (2, 9571952), (4, 4785976), (8, 2392988), (13, 1472608), (16, 1196494), (17, 1126112), (26, 736304), (32, 598247), (34, 563056), (52, 368152), (68, 281528), (104, 184076), (136, 140764), (208, 92038), (221, 86624), (272, 70382), (416, 46019), (442, 43312), (544, 35191), (884, 21656), (1768, 10828), (2707, 7072), (3536, 5414)]