19007567985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:767

約数の個数: 128

約数和(自身を含む): 37193195520

約数和(自身を除く): 18185627535

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 103, 105, 133, 233, 285, 309, 397, 399, 515, 665, 699, 721, 1165, 1191, 1545, 1631, 1957, 1985, 1995, 2163, 2779, 3495, 3605, 4427, 4893, 5871, 5955, 7543, 8155, 8337, 9785, 10815, 13281, 13699, 13895, 22135, 22629, 23999, 24465, 29355, 30989, 37715, 40891, 41097, 41685, 52801, 66405, 68495, 71997, 92501, 92967, 113145, 119995, 122673, 154945, 158403, 167993, 204455, 205485, 264005, 277503, 286237, 359985, 455981, 462505, 464835, 503979, 613365, 647507, 776929, 792015, 839965, 858711, 1367943, 1387515, 1431185, 1757519, 1942521, 2279905, 2330787, 2519895, 3191867, 3237535, 3884645, 4293555, 5272557, 5438503, 6839715, 8787595, 9527603, 9575601, 9712605, 11653935, 12302633, 15959335, 16315509, 26362785, 27192515, 28582809, 36907899, 47638015, 47878005, 61513165, 66693221, 81577545, 142914045, 181024457, 184539495, 200079663, 333466105, 543073371, 905122285, 1000398315, 1267171199, 2715366855, 3801513597, 6335855995, 19007567985]

約数ペア:

[(1, 19007567985), (3, 6335855995), (5, 3801513597), (7, 2715366855), (15, 1267171199), (19, 1000398315), (21, 905122285), (35, 543073371), (57, 333466105), (95, 200079663), (103, 184539495), (105, 181024457), (133, 142914045), (233, 81577545), (285, 66693221), (309, 61513165), (397, 47878005), (399, 47638015), (515, 36907899), (665, 28582809), (699, 27192515), (721, 26362785), (1165, 16315509), (1191, 15959335), (1545, 12302633), (1631, 11653935), (1957, 9712605), (1985, 9575601), (1995, 9527603), (2163, 8787595), (2779, 6839715), (3495, 5438503), (3605, 5272557), (4427, 4293555), (4893, 3884645), (5871, 3237535), (5955, 3191867), (7543, 2519895), (8155, 2330787), (8337, 2279905), (9785, 1942521), (10815, 1757519), (13281, 1431185), (13699, 1387515), (13895, 1367943), (22135, 858711), (22629, 839965), (23999, 792015), (24465, 776929), (29355, 647507), (30989, 613365), (37715, 503979), (40891, 464835), (41097, 462505), (41685, 455981), (52801, 359985), (66405, 286237), (68495, 277503), (71997, 264005), (92501, 205485), (92967, 204455), (113145, 167993), (119995, 158403), (122673, 154945)]