19439356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 38133760

約数和(自身を除く): 18694404

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 223, 446, 589, 703, 892, 1147, 1178, 1406, 2294, 2356, 2812, 4237, 4588, 6913, 8251, 8474, 13826, 16502, 16948, 21793, 27652, 33004, 43586, 87172, 131347, 156769, 255781, 262694, 313538, 511562, 525388, 627076, 1023124, 4859839, 9719678, 19439356]

約数ペア:

[(1, 19439356), (2, 9719678), (4, 4859839), (19, 1023124), (31, 627076), (37, 525388), (38, 511562), (62, 313538), (74, 262694), (76, 255781), (124, 156769), (148, 131347), (223, 87172), (446, 43586), (589, 33004), (703, 27652), (892, 21793), (1147, 16948), (1178, 16502), (1406, 13826), (2294, 8474), (2356, 8251), (2812, 6913), (4237, 4588)]