18786867

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 10001613

約数列:

[1, 3, 11, 29, 33, 67, 87, 201, 293, 319, 737, 879, 957, 1943, 2211, 3223, 5829, 8497, 9669, 19631, 21373, 25491, 58893, 64119, 93467, 215941, 280401, 569299, 647823, 1707897, 6262289, 18786867]

約数ペア:

[(1, 18786867), (3, 6262289), (11, 1707897), (29, 647823), (33, 569299), (67, 280401), (87, 215941), (201, 93467), (293, 64119), (319, 58893), (737, 25491), (879, 21373), (957, 19631), (1943, 9669), (2211, 8497), (3223, 5829)]