19153245890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{1741}}^1$

素因数の和:2147

約数の個数: 64

約数和(自身を含む): 35760890880

約数和(自身を除く): 16607644990

約数列:

[1, 2, 5, 10, 47, 89, 94, 178, 235, 263, 445, 470, 526, 890, 1315, 1741, 2630, 3482, 4183, 8366, 8705, 12361, 17410, 20915, 23407, 24722, 41830, 46814, 61805, 81827, 117035, 123610, 154949, 163654, 234070, 309898, 409135, 457883, 774745, 818270, 915766, 1100129, 1549490, 2200258, 2289415, 4578830, 5500645, 7282603, 11001290, 14565206, 21520501, 36413015, 40751587, 43041002, 72826030, 81503174, 107602505, 203757935, 215205010, 407515870, 1915324589, 3830649178, 9576622945, 19153245890]

約数ペア:

[(1, 19153245890), (2, 9576622945), (5, 3830649178), (10, 1915324589), (47, 407515870), (89, 215205010), (94, 203757935), (178, 107602505), (235, 81503174), (263, 72826030), (445, 43041002), (470, 40751587), (526, 36413015), (890, 21520501), (1315, 14565206), (1741, 11001290), (2630, 7282603), (3482, 5500645), (4183, 4578830), (8366, 2289415), (8705, 2200258), (12361, 1549490), (17410, 1100129), (20915, 915766), (23407, 818270), (24722, 774745), (41830, 457883), (46814, 409135), (61805, 309898), (81827, 234070), (117035, 163654), (123610, 154949)]