19256538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 47232000

約数和(自身を除く): 27975462

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 59, 114, 118, 133, 177, 266, 354, 399, 409, 413, 798, 818, 826, 1121, 1227, 1239, 2242, 2454, 2478, 2863, 3363, 5726, 6726, 7771, 7847, 8589, 15542, 15694, 17178, 23313, 23541, 24131, 46626, 47082, 48262, 54397, 72393, 108794, 144786, 163191, 168917, 326382, 337834, 458489, 506751, 916978, 1013502, 1375467, 2750934, 3209423, 6418846, 9628269, 19256538]

約数ペア:

[(1, 19256538), (2, 9628269), (3, 6418846), (6, 3209423), (7, 2750934), (14, 1375467), (19, 1013502), (21, 916978), (38, 506751), (42, 458489), (57, 337834), (59, 326382), (114, 168917), (118, 163191), (133, 144786), (177, 108794), (266, 72393), (354, 54397), (399, 48262), (409, 47082), (413, 46626), (798, 24131), (818, 23541), (826, 23313), (1121, 17178), (1227, 15694), (1239, 15542), (2242, 8589), (2454, 7847), (2478, 7771), (2863, 6726), (3363, 5726)]