18674968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2273}}^1$

素因数の和:2371

約数の個数: 32

約数和(自身を含む): 38203200

約数和(自身を除く): 19528232

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2273, 4108, 4546, 8216, 9092, 18184, 29549, 59098, 118196, 179567, 236392, 359134, 718268, 1436536, 2334371, 4668742, 9337484, 18674968]

約数ペア:

[(1, 18674968), (2, 9337484), (4, 4668742), (8, 2334371), (13, 1436536), (26, 718268), (52, 359134), (79, 236392), (104, 179567), (158, 118196), (316, 59098), (632, 29549), (1027, 18184), (2054, 9092), (2273, 8216), (4108, 4546)]