18861645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 33361920

約数和(自身を除く): 14500275

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 165, 237, 395, 869, 1185, 1447, 2607, 4341, 4345, 7235, 13035, 15917, 21705, 47751, 79585, 114313, 238755, 342939, 571565, 1257443, 1714695, 3772329, 6287215, 18861645]

約数ペア:

[(1, 18861645), (3, 6287215), (5, 3772329), (11, 1714695), (15, 1257443), (33, 571565), (55, 342939), (79, 238755), (165, 114313), (237, 79585), (395, 47751), (869, 21705), (1185, 15917), (1447, 13035), (2607, 7235), (4341, 4345)]