19399180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 23372276

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 467, 620, 670, 934, 1340, 1868, 2077, 2335, 4154, 4670, 8308, 9340, 10385, 14477, 20770, 28954, 31289, 41540, 57908, 62578, 72385, 125156, 144770, 156445, 289540, 312890, 625780, 969959, 1939918, 3879836, 4849795, 9699590, 19399180]

約数ペア:

[(1, 19399180), (2, 9699590), (4, 4849795), (5, 3879836), (10, 1939918), (20, 969959), (31, 625780), (62, 312890), (67, 289540), (124, 156445), (134, 144770), (155, 125156), (268, 72385), (310, 62578), (335, 57908), (467, 41540), (620, 31289), (670, 28954), (934, 20770), (1340, 14477), (1868, 10385), (2077, 9340), (2335, 8308), (4154, 4670)]