19716996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 50094464

約数和(自身を除く): 30377468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 97, 156, 194, 291, 388, 582, 1164, 1261, 1303, 2522, 2606, 3783, 3909, 5044, 5212, 7566, 7818, 15132, 15636, 16939, 33878, 50817, 67756, 101634, 126391, 203268, 252782, 379173, 505564, 758346, 1516692, 1643083, 3286166, 4929249, 6572332, 9858498, 19716996]

約数ペア:

[(1, 19716996), (2, 9858498), (3, 6572332), (4, 4929249), (6, 3286166), (12, 1643083), (13, 1516692), (26, 758346), (39, 505564), (52, 379173), (78, 252782), (97, 203268), (156, 126391), (194, 101634), (291, 67756), (388, 50817), (582, 33878), (1164, 16939), (1261, 15636), (1303, 15132), (2522, 7818), (2606, 7566), (3783, 5212), (3909, 5044)]