19452356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 42844032

約数和(自身を除く): 23391676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 137, 154, 274, 308, 461, 548, 922, 959, 1507, 1844, 1918, 3014, 3227, 3836, 5071, 6028, 6454, 10142, 10549, 12908, 20284, 21098, 35497, 42196, 63157, 70994, 126314, 141988, 252628, 442099, 694727, 884198, 1389454, 1768396, 2778908, 4863089, 9726178, 19452356]

約数ペア:

[(1, 19452356), (2, 9726178), (4, 4863089), (7, 2778908), (11, 1768396), (14, 1389454), (22, 884198), (28, 694727), (44, 442099), (77, 252628), (137, 141988), (154, 126314), (274, 70994), (308, 63157), (461, 42196), (548, 35497), (922, 21098), (959, 20284), (1507, 12908), (1844, 10549), (1918, 10142), (3014, 6454), (3227, 6028), (3836, 5071)]