19728954

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 54835200

約数和(自身を除く): 35106246

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 41, 42, 54, 57, 63, 67, 82, 114, 123, 126, 133, 134, 171, 189, 201, 246, 266, 287, 342, 369, 378, 399, 402, 469, 513, 574, 603, 738, 779, 798, 861, 938, 1026, 1107, 1197, 1206, 1273, 1407, 1558, 1722, 1809, 2214, 2337, 2394, 2546, 2583, 2747, 2814, 3591, 3618, 3819, 4221, 4674, 5166, 5453, 5494, 7011, 7182, 7638, 7749, 8241, 8442, 8911, 10906, 11457, 12663, 14022, 15498, 16359, 16482, 17822, 19229, 21033, 22914, 24723, 25326, 26733, 32718, 34371, 38458, 42066, 49077, 49446, 52193, 53466, 57687, 68742, 74169, 80199, 98154, 104386, 115374, 147231, 148338, 156579, 160398, 173061, 240597, 294462, 313158, 346122, 365351, 469737, 481194, 519183, 730702, 939474, 1038366, 1096053, 1409211, 2192106, 2818422, 3288159, 6576318, 9864477, 19728954]

約数ペア:

[(1, 19728954), (2, 9864477), (3, 6576318), (6, 3288159), (7, 2818422), (9, 2192106), (14, 1409211), (18, 1096053), (19, 1038366), (21, 939474), (27, 730702), (38, 519183), (41, 481194), (42, 469737), (54, 365351), (57, 346122), (63, 313158), (67, 294462), (82, 240597), (114, 173061), (123, 160398), (126, 156579), (133, 148338), (134, 147231), (171, 115374), (189, 104386), (201, 98154), (246, 80199), (266, 74169), (287, 68742), (342, 57687), (369, 53466), (378, 52193), (399, 49446), (402, 49077), (469, 42066), (513, 38458), (574, 34371), (603, 32718), (738, 26733), (779, 25326), (798, 24723), (861, 22914), (938, 21033), (1026, 19229), (1107, 17822), (1197, 16482), (1206, 16359), (1273, 15498), (1407, 14022), (1558, 12663), (1722, 11457), (1809, 10906), (2214, 8911), (2337, 8442), (2394, 8241), (2546, 7749), (2583, 7638), (2747, 7182), (2814, 7011), (3591, 5494), (3618, 5453), (3819, 5166), (4221, 4674)]