19378528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1259}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 22851632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1259, 1924, 2518, 3848, 5036, 7696, 10072, 15392, 16367, 20144, 32734, 40288, 46583, 65468, 93166, 130936, 186332, 261872, 372664, 523744, 605579, 745328, 1211158, 1490656, 2422316, 4844632, 9689264, 19378528]

約数ペア:

[(1, 19378528), (2, 9689264), (4, 4844632), (8, 2422316), (13, 1490656), (16, 1211158), (26, 745328), (32, 605579), (37, 523744), (52, 372664), (74, 261872), (104, 186332), (148, 130936), (208, 93166), (296, 65468), (416, 46583), (481, 40288), (592, 32734), (962, 20144), (1184, 16367), (1259, 15392), (1924, 10072), (2518, 7696), (3848, 5036)]