19907316

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1326

約数の個数: 96

約数和(自身を含む): 60681600

約数和(自身を除く): 40774284

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 52, 54, 66, 78, 99, 108, 117, 132, 143, 156, 198, 234, 286, 297, 351, 396, 429, 468, 572, 594, 702, 858, 1188, 1287, 1289, 1404, 1716, 2574, 2578, 3861, 3867, 5148, 5156, 7722, 7734, 11601, 14179, 15444, 15468, 16757, 23202, 28358, 33514, 34803, 42537, 46404, 50271, 56716, 67028, 69606, 85074, 100542, 127611, 139212, 150813, 170148, 184327, 201084, 255222, 301626, 368654, 382833, 452439, 510444, 552981, 603252, 737308, 765666, 904878, 1105962, 1531332, 1658943, 1809756, 2211924, 3317886, 4976829, 6635772, 9953658, 19907316]

約数ペア:

[(1, 19907316), (2, 9953658), (3, 6635772), (4, 4976829), (6, 3317886), (9, 2211924), (11, 1809756), (12, 1658943), (13, 1531332), (18, 1105962), (22, 904878), (26, 765666), (27, 737308), (33, 603252), (36, 552981), (39, 510444), (44, 452439), (52, 382833), (54, 368654), (66, 301626), (78, 255222), (99, 201084), (108, 184327), (117, 170148), (132, 150813), (143, 139212), (156, 127611), (198, 100542), (234, 85074), (286, 69606), (297, 67028), (351, 56716), (396, 50271), (429, 46404), (468, 42537), (572, 34803), (594, 33514), (702, 28358), (858, 23202), (1188, 16757), (1287, 15468), (1289, 15444), (1404, 14179), (1716, 11601), (2574, 7734), (2578, 7722), (3861, 5156), (3867, 5148)]