2019174885

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54787}}^1$

素因数の和:54824

約数の個数: 80

約数和(自身を含む): 4454921856

約数和(自身を除く): 2435746971

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 273, 315, 351, 405, 455, 567, 585, 819, 945, 1053, 1365, 1755, 2457, 2835, 4095, 5265, 7371, 12285, 36855, 54787, 164361, 273935, 383509, 493083, 712231, 821805, 1150527, 1479249, 1917545, 2136693, 2465415, 3451581, 3561155, 4437747, 4985617, 5752635, 6410079, 7396245, 10354743, 10683465, 14956851, 17257905, 19230237, 22188735, 24928085, 31064229, 32050395, 44870553, 51773715, 57690711, 74784255, 96151185, 134611659, 155321145, 224352765, 288453555, 403834977, 673058295, 2019174885]

約数ペア:

[(1, 2019174885), (3, 673058295), (5, 403834977), (7, 288453555), (9, 224352765), (13, 155321145), (15, 134611659), (21, 96151185), (27, 74784255), (35, 57690711), (39, 51773715), (45, 44870553), (63, 32050395), (65, 31064229), (81, 24928085), (91, 22188735), (105, 19230237), (117, 17257905), (135, 14956851), (189, 10683465), (195, 10354743), (273, 7396245), (315, 6410079), (351, 5752635), (405, 4985617), (455, 4437747), (567, 3561155), (585, 3451581), (819, 2465415), (945, 2136693), (1053, 1917545), (1365, 1479249), (1755, 1150527), (2457, 821805), (2835, 712231), (4095, 493083), (5265, 383509), (7371, 273935), (12285, 164361), (36855, 54787)]