19926304

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21442016

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 106, 124, 212, 248, 379, 424, 496, 758, 848, 992, 1516, 1643, 1696, 3032, 3286, 6064, 6572, 11749, 12128, 13144, 20087, 23498, 26288, 40174, 46996, 52576, 80348, 93992, 160696, 187984, 321392, 375968, 622697, 642784, 1245394, 2490788, 4981576, 9963152, 19926304]

約数ペア:

[(1, 19926304), (2, 9963152), (4, 4981576), (8, 2490788), (16, 1245394), (31, 642784), (32, 622697), (53, 375968), (62, 321392), (106, 187984), (124, 160696), (212, 93992), (248, 80348), (379, 52576), (424, 46996), (496, 40174), (758, 26288), (848, 23498), (992, 20087), (1516, 13144), (1643, 12128), (1696, 11749), (3032, 6572), (3286, 6064)]