19424811

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 11798997

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 307, 393, 483, 917, 921, 2149, 2751, 3013, 6447, 7061, 9039, 21091, 21183, 40217, 49427, 63273, 120651, 148281, 281519, 844557, 924991, 2774973, 6474937, 19424811]

約数ペア:

[(1, 19424811), (3, 6474937), (7, 2774973), (21, 924991), (23, 844557), (69, 281519), (131, 148281), (161, 120651), (307, 63273), (393, 49427), (483, 40217), (917, 21183), (921, 21091), (2149, 9039), (2751, 7061), (3013, 6447)]