18374368

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 20574752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 643, 752, 893, 1286, 1504, 1786, 2572, 3572, 5144, 7144, 10288, 12217, 14288, 20576, 24434, 28576, 30221, 48868, 60442, 97736, 120884, 195472, 241768, 390944, 483536, 574199, 967072, 1148398, 2296796, 4593592, 9187184, 18374368]

約数ペア:

[(1, 18374368), (2, 9187184), (4, 4593592), (8, 2296796), (16, 1148398), (19, 967072), (32, 574199), (38, 483536), (47, 390944), (76, 241768), (94, 195472), (152, 120884), (188, 97736), (304, 60442), (376, 48868), (608, 30221), (643, 28576), (752, 24434), (893, 20576), (1286, 14288), (1504, 12217), (1786, 10288), (2572, 7144), (3572, 5144)]