19872996

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 56128128

約数和(自身を除く): 36255132

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 37, 39, 44, 52, 66, 74, 78, 111, 132, 143, 148, 156, 222, 286, 313, 407, 429, 444, 481, 572, 626, 814, 858, 939, 962, 1221, 1252, 1443, 1628, 1716, 1878, 1924, 2442, 2886, 3443, 3756, 4069, 4884, 5291, 5772, 6886, 8138, 10329, 10582, 11581, 12207, 13772, 15873, 16276, 20658, 21164, 23162, 24414, 31746, 34743, 41316, 44759, 46324, 48828, 63492, 69486, 89518, 127391, 134277, 138972, 150553, 179036, 254782, 268554, 301106, 382173, 451659, 509564, 537108, 602212, 764346, 903318, 1528692, 1656083, 1806636, 3312166, 4968249, 6624332, 9936498, 19872996]

約数ペア:

[(1, 19872996), (2, 9936498), (3, 6624332), (4, 4968249), (6, 3312166), (11, 1806636), (12, 1656083), (13, 1528692), (22, 903318), (26, 764346), (33, 602212), (37, 537108), (39, 509564), (44, 451659), (52, 382173), (66, 301106), (74, 268554), (78, 254782), (111, 179036), (132, 150553), (143, 138972), (148, 134277), (156, 127391), (222, 89518), (286, 69486), (313, 63492), (407, 48828), (429, 46324), (444, 44759), (481, 41316), (572, 34743), (626, 31746), (814, 24414), (858, 23162), (939, 21164), (962, 20658), (1221, 16276), (1252, 15873), (1443, 13772), (1628, 12207), (1716, 11581), (1878, 10582), (1924, 10329), (2442, 8138), (2886, 6886), (3443, 5772), (3756, 5291), (4069, 4884)]