19076408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 40830720

約数和(自身を除く): 21754312

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 61, 62, 97, 104, 122, 124, 194, 244, 248, 388, 403, 488, 776, 793, 806, 1261, 1586, 1612, 1891, 2522, 3007, 3172, 3224, 3782, 5044, 5917, 6014, 6344, 7564, 10088, 11834, 12028, 15128, 23668, 24056, 24583, 39091, 47336, 49166, 76921, 78182, 98332, 153842, 156364, 183427, 196664, 307684, 312728, 366854, 615368, 733708, 1467416, 2384551, 4769102, 9538204, 19076408]

約数ペア:

[(1, 19076408), (2, 9538204), (4, 4769102), (8, 2384551), (13, 1467416), (26, 733708), (31, 615368), (52, 366854), (61, 312728), (62, 307684), (97, 196664), (104, 183427), (122, 156364), (124, 153842), (194, 98332), (244, 78182), (248, 76921), (388, 49166), (403, 47336), (488, 39091), (776, 24583), (793, 24056), (806, 23668), (1261, 15128), (1586, 12028), (1612, 11834), (1891, 10088), (2522, 7564), (3007, 6344), (3172, 6014), (3224, 5917), (3782, 5044)]