19645760

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^2\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 84

約数和(自身を含む): 49113948

約数和(自身を除く): 29468188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 73, 80, 116, 145, 146, 160, 232, 290, 292, 320, 365, 464, 580, 584, 730, 841, 928, 1160, 1168, 1460, 1682, 1856, 2117, 2320, 2336, 2920, 3364, 4205, 4234, 4640, 4672, 5840, 6728, 8410, 8468, 9280, 10585, 11680, 13456, 16820, 16936, 21170, 23360, 26912, 33640, 33872, 42340, 53824, 61393, 67280, 67744, 84680, 122786, 134560, 135488, 169360, 245572, 269120, 306965, 338720, 491144, 613930, 677440, 982288, 1227860, 1964576, 2455720, 3929152, 4911440, 9822880, 19645760]

約数ペア:

[(1, 19645760), (2, 9822880), (4, 4911440), (5, 3929152), (8, 2455720), (10, 1964576), (16, 1227860), (20, 982288), (29, 677440), (32, 613930), (40, 491144), (58, 338720), (64, 306965), (73, 269120), (80, 245572), (116, 169360), (145, 135488), (146, 134560), (160, 122786), (232, 84680), (290, 67744), (292, 67280), (320, 61393), (365, 53824), (464, 42340), (580, 33872), (584, 33640), (730, 26912), (841, 23360), (928, 21170), (1160, 16936), (1168, 16820), (1460, 13456), (1682, 11680), (1856, 10585), (2117, 9280), (2320, 8468), (2336, 8410), (2920, 6728), (3364, 5840), (4205, 4672), (4234, 4640)]