17921358

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 49986720

約数和(自身を除く): 32065362

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 78, 91, 98, 117, 126, 147, 182, 189, 234, 273, 294, 351, 378, 441, 521, 546, 637, 702, 819, 882, 1042, 1274, 1323, 1563, 1638, 1911, 2457, 2646, 3126, 3647, 3822, 4689, 4914, 5733, 6773, 7294, 9378, 10941, 11466, 13546, 14067, 17199, 20319, 21882, 25529, 28134, 32823, 34398, 40638, 47411, 51058, 60957, 65646, 76587, 94822, 98469, 121914, 142233, 153174, 182871, 196938, 229761, 284466, 331877, 365742, 426699, 459522, 663754, 689283, 853398, 995631, 1280097, 1378566, 1991262, 2560194, 2986893, 5973786, 8960679, 17921358]

約数ペア:

[(1, 17921358), (2, 8960679), (3, 5973786), (6, 2986893), (7, 2560194), (9, 1991262), (13, 1378566), (14, 1280097), (18, 995631), (21, 853398), (26, 689283), (27, 663754), (39, 459522), (42, 426699), (49, 365742), (54, 331877), (63, 284466), (78, 229761), (91, 196938), (98, 182871), (117, 153174), (126, 142233), (147, 121914), (182, 98469), (189, 94822), (234, 76587), (273, 65646), (294, 60957), (351, 51058), (378, 47411), (441, 40638), (521, 34398), (546, 32823), (637, 28134), (702, 25529), (819, 21882), (882, 20319), (1042, 17199), (1274, 14067), (1323, 13546), (1563, 11466), (1638, 10941), (1911, 9378), (2457, 7294), (2646, 6773), (3126, 5733), (3647, 4914), (3822, 4689)]