18956128

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 20162336

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 97, 124, 194, 197, 248, 388, 394, 496, 776, 788, 992, 1552, 1576, 3007, 3104, 3152, 6014, 6107, 6304, 12028, 12214, 19109, 24056, 24428, 38218, 48112, 48856, 76436, 96224, 97712, 152872, 195424, 305744, 592379, 611488, 1184758, 2369516, 4739032, 9478064, 18956128]

約数ペア:

[(1, 18956128), (2, 9478064), (4, 4739032), (8, 2369516), (16, 1184758), (31, 611488), (32, 592379), (62, 305744), (97, 195424), (124, 152872), (194, 97712), (197, 96224), (248, 76436), (388, 48856), (394, 48112), (496, 38218), (776, 24428), (788, 24056), (992, 19109), (1552, 12214), (1576, 12028), (3007, 6304), (3104, 6107), (3152, 6014)]