19418742

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{673}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 48366240

約数和(自身を除く): 28947498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 229, 458, 673, 687, 1346, 1374, 1603, 2019, 2061, 3206, 4038, 4122, 4711, 4809, 6057, 9422, 9618, 12114, 14133, 14427, 28266, 28854, 42399, 84798, 154117, 308234, 462351, 924702, 1078819, 1387053, 2157638, 2774106, 3236457, 6472914, 9709371, 19418742]

約数ペア:

[(1, 19418742), (2, 9709371), (3, 6472914), (6, 3236457), (7, 2774106), (9, 2157638), (14, 1387053), (18, 1078819), (21, 924702), (42, 462351), (63, 308234), (126, 154117), (229, 84798), (458, 42399), (673, 28854), (687, 28266), (1346, 14427), (1374, 14133), (1603, 12114), (2019, 9618), (2061, 9422), (3206, 6057), (4038, 4809), (4122, 4711)]