19526624

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 42032592

約数和(自身を除く): 22505968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 73, 104, 146, 208, 292, 416, 584, 643, 949, 1168, 1286, 1898, 2336, 2572, 3796, 5144, 7592, 8359, 10288, 15184, 16718, 20576, 30368, 33436, 46939, 66872, 93878, 133744, 187756, 267488, 375512, 610207, 751024, 1220414, 1502048, 2440828, 4881656, 9763312, 19526624]

約数ペア:

[(1, 19526624), (2, 9763312), (4, 4881656), (8, 2440828), (13, 1502048), (16, 1220414), (26, 751024), (32, 610207), (52, 375512), (73, 267488), (104, 187756), (146, 133744), (208, 93878), (292, 66872), (416, 46939), (584, 33436), (643, 30368), (949, 20576), (1168, 16718), (1286, 15184), (1898, 10288), (2336, 8359), (2572, 7592), (3796, 5144)]