19995946047

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{7951}}^1$

素因数の和:8185

約数の個数: 96

約数和(自身を含む): 38108528640

約数和(自身を除く): 18112582593

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 191, 209, 231, 399, 573, 627, 693, 1197, 1337, 1463, 1719, 1881, 2101, 3629, 4011, 4389, 6303, 7951, 10887, 12033, 13167, 14707, 18909, 23853, 25403, 32661, 39919, 44121, 55657, 71559, 76209, 87461, 119757, 132363, 151069, 166971, 228627, 262383, 279433, 359271, 453207, 500913, 612227, 787149, 838299, 1057483, 1359621, 1518641, 1661759, 1836681, 2514897, 3172449, 4555923, 4985277, 5510043, 9517347, 10630487, 11632313, 13667769, 14955831, 16705051, 28854179, 31891461, 34896939, 50115153, 86562537, 95674383, 104690817, 116935357, 150345459, 201979253, 259687611, 317395969, 350806071, 605937759, 952187907, 1052418213, 1817813277, 2221771783, 2856563721, 6665315349, 19995946047]

約数ペア:

[(1, 19995946047), (3, 6665315349), (7, 2856563721), (9, 2221771783), (11, 1817813277), (19, 1052418213), (21, 952187907), (33, 605937759), (57, 350806071), (63, 317395969), (77, 259687611), (99, 201979253), (133, 150345459), (171, 116935357), (191, 104690817), (209, 95674383), (231, 86562537), (399, 50115153), (573, 34896939), (627, 31891461), (693, 28854179), (1197, 16705051), (1337, 14955831), (1463, 13667769), (1719, 11632313), (1881, 10630487), (2101, 9517347), (3629, 5510043), (4011, 4985277), (4389, 4555923), (6303, 3172449), (7951, 2514897), (10887, 1836681), (12033, 1661759), (13167, 1518641), (14707, 1359621), (18909, 1057483), (23853, 838299), (25403, 787149), (32661, 612227), (39919, 500913), (44121, 453207), (55657, 359271), (71559, 279433), (76209, 262383), (87461, 228627), (119757, 166971), (132363, 151069)]