19407488

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 41061120

約数和(自身を除く): 21653632

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 67, 73, 124, 128, 134, 146, 248, 268, 292, 496, 536, 584, 992, 1072, 1168, 1984, 2077, 2144, 2263, 2336, 3968, 4154, 4288, 4526, 4672, 4891, 8308, 8576, 9052, 9344, 9782, 16616, 18104, 19564, 33232, 36208, 39128, 66464, 72416, 78256, 132928, 144832, 151621, 156512, 265856, 289664, 303242, 313024, 606484, 626048, 1212968, 2425936, 4851872, 9703744, 19407488]

約数ペア:

[(1, 19407488), (2, 9703744), (4, 4851872), (8, 2425936), (16, 1212968), (31, 626048), (32, 606484), (62, 313024), (64, 303242), (67, 289664), (73, 265856), (124, 156512), (128, 151621), (134, 144832), (146, 132928), (248, 78256), (268, 72416), (292, 66464), (496, 39128), (536, 36208), (584, 33232), (992, 19564), (1072, 18104), (1168, 16616), (1984, 9782), (2077, 9344), (2144, 9052), (2263, 8576), (2336, 8308), (3968, 4891), (4154, 4672), (4288, 4526)]