19251351

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1825

約数の個数: 40

約数和(自身を含む): 34615680

約数和(自身を除く): 15364329

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 1787, 3591, 5361, 10773, 12509, 16083, 33953, 37527, 48249, 101859, 112581, 144747, 237671, 305577, 337743, 713013, 916731, 1013229, 2139039, 2750193, 6417117, 19251351]

約数ペア:

[(1, 19251351), (3, 6417117), (7, 2750193), (9, 2139039), (19, 1013229), (21, 916731), (27, 713013), (57, 337743), (63, 305577), (81, 237671), (133, 144747), (171, 112581), (189, 101859), (399, 48249), (513, 37527), (567, 33953), (1197, 16083), (1539, 12509), (1787, 10773), (3591, 5361)]