19689768

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5581}}^1$

素因数の和:5607

約数の個数: 72

約数和(自身を含む): 62043930

約数和(自身を除く): 42354162

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5581, 11162, 16743, 22324, 33486, 39067, 44648, 50229, 66972, 78134, 100458, 117201, 133944, 156268, 200916, 234402, 273469, 312536, 351603, 401832, 468804, 546938, 703206, 820407, 937608, 1093876, 1406412, 1640814, 2187752, 2461221, 2812824, 3281628, 4922442, 6563256, 9844884, 19689768]

約数ペア:

[(1, 19689768), (2, 9844884), (3, 6563256), (4, 4922442), (6, 3281628), (7, 2812824), (8, 2461221), (9, 2187752), (12, 1640814), (14, 1406412), (18, 1093876), (21, 937608), (24, 820407), (28, 703206), (36, 546938), (42, 468804), (49, 401832), (56, 351603), (63, 312536), (72, 273469), (84, 234402), (98, 200916), (126, 156268), (147, 133944), (168, 117201), (196, 100458), (252, 78134), (294, 66972), (392, 50229), (441, 44648), (504, 39067), (588, 33486), (882, 22324), (1176, 16743), (1764, 11162), (3528, 5581)]