19198931408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38707523}}^1$

素因数の和:38707562

約数の個数: 20

約数和(自身を含む): 38397863808

約数和(自身を除く): 19198932400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38707523, 77415046, 154830092, 309660184, 619320368, 1199933213, 2399866426, 4799732852, 9599465704, 19198931408]

約数ペア:

[(1, 19198931408), (2, 9599465704), (4, 4799732852), (8, 2399866426), (16, 1199933213), (31, 619320368), (62, 309660184), (124, 154830092), (248, 77415046), (496, 38707523)]