19966886472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1\times {\mathrm{2113}}^1$

素因数の和:3143

約数の個数: 128

約数和(自身を含む): 55574184960

約数和(自身を除く): 35607298488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 977, 1209, 1612, 1954, 2113, 2418, 2931, 3224, 3908, 4226, 4836, 5862, 6339, 7816, 8452, 9672, 11724, 12678, 12701, 16904, 23448, 25356, 25402, 27469, 30287, 38103, 50712, 50804, 54938, 60574, 65503, 76206, 82407, 90861, 101608, 109876, 121148, 131006, 152412, 164814, 181722, 196509, 219752, 242296, 262012, 304824, 329628, 363444, 393018, 393731, 524024, 659256, 726888, 786036, 787462, 851539, 1181193, 1572072, 1574924, 1703078, 2064401, 2362386, 2554617, 3149848, 3406156, 4128802, 4724772, 5109234, 6193203, 6812312, 8257604, 9449544, 10218468, 12386406, 16515208, 20436936, 24772812, 26837213, 49545624, 53674426, 63996431, 80511639, 107348852, 127992862, 161023278, 191989293, 214697704, 255985724, 322046556, 383978586, 511971448, 644093112, 767957172, 831953603, 1535914344, 1663907206, 2495860809, 3327814412, 4991721618, 6655628824, 9983443236, 19966886472]

約数ペア:

[(1, 19966886472), (2, 9983443236), (3, 6655628824), (4, 4991721618), (6, 3327814412), (8, 2495860809), (12, 1663907206), (13, 1535914344), (24, 831953603), (26, 767957172), (31, 644093112), (39, 511971448), (52, 383978586), (62, 322046556), (78, 255985724), (93, 214697704), (104, 191989293), (124, 161023278), (156, 127992862), (186, 107348852), (248, 80511639), (312, 63996431), (372, 53674426), (403, 49545624), (744, 26837213), (806, 24772812), (977, 20436936), (1209, 16515208), (1612, 12386406), (1954, 10218468), (2113, 9449544), (2418, 8257604), (2931, 6812312), (3224, 6193203), (3908, 5109234), (4226, 4724772), (4836, 4128802), (5862, 3406156), (6339, 3149848), (7816, 2554617), (8452, 2362386), (9672, 2064401), (11724, 1703078), (12678, 1574924), (12701, 1572072), (16904, 1181193), (23448, 851539), (25356, 787462), (25402, 786036), (27469, 726888), (30287, 659256), (38103, 524024), (50712, 393731), (50804, 393018), (54938, 363444), (60574, 329628), (65503, 304824), (76206, 262012), (82407, 242296), (90861, 219752), (101608, 196509), (109876, 181722), (121148, 164814), (131006, 152412)]