19582917

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 9032763

約数列:

[1, 3, 29, 31, 53, 87, 93, 137, 159, 411, 899, 1537, 1643, 2697, 3973, 4247, 4611, 4929, 7261, 11919, 12741, 21783, 47647, 123163, 142941, 210569, 225091, 369489, 631707, 675273, 6527639, 19582917]

約数ペア:

[(1, 19582917), (3, 6527639), (29, 675273), (31, 631707), (53, 369489), (87, 225091), (93, 210569), (137, 142941), (159, 123163), (411, 47647), (899, 21783), (1537, 12741), (1643, 11919), (2697, 7261), (3973, 4929), (4247, 4611)]