1939938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 128

約数和(自身を含む): 5806080

約数和(自身を除く): 3866142

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 17, 19, 21, 22, 26, 33, 34, 38, 39, 42, 51, 57, 66, 77, 78, 91, 102, 114, 119, 133, 143, 154, 182, 187, 209, 221, 231, 238, 247, 266, 273, 286, 323, 357, 374, 399, 418, 429, 442, 462, 494, 546, 561, 627, 646, 663, 714, 741, 798, 858, 969, 1001, 1122, 1254, 1309, 1326, 1463, 1482, 1547, 1729, 1938, 2002, 2261, 2431, 2618, 2717, 2926, 3003, 3094, 3458, 3553, 3927, 4199, 4389, 4522, 4641, 4862, 5187, 5434, 6006, 6783, 7106, 7293, 7854, 8151, 8398, 8778, 9282, 10374, 10659, 12597, 13566, 14586, 16302, 17017, 19019, 21318, 24871, 25194, 29393, 34034, 38038, 46189, 49742, 51051, 57057, 58786, 74613, 88179, 92378, 102102, 114114, 138567, 149226, 176358, 277134, 323323, 646646, 969969, 1939938]

約数ペア:

[(1, 1939938), (2, 969969), (3, 646646), (6, 323323), (7, 277134), (11, 176358), (13, 149226), (14, 138567), (17, 114114), (19, 102102), (21, 92378), (22, 88179), (26, 74613), (33, 58786), (34, 57057), (38, 51051), (39, 49742), (42, 46189), (51, 38038), (57, 34034), (66, 29393), (77, 25194), (78, 24871), (91, 21318), (102, 19019), (114, 17017), (119, 16302), (133, 14586), (143, 13566), (154, 12597), (182, 10659), (187, 10374), (209, 9282), (221, 8778), (231, 8398), (238, 8151), (247, 7854), (266, 7293), (273, 7106), (286, 6783), (323, 6006), (357, 5434), (374, 5187), (399, 4862), (418, 4641), (429, 4522), (442, 4389), (462, 4199), (494, 3927), (546, 3553), (561, 3458), (627, 3094), (646, 3003), (663, 2926), (714, 2717), (741, 2618), (798, 2431), (858, 2261), (969, 2002), (1001, 1938), (1122, 1729), (1254, 1547), (1309, 1482), (1326, 1463)]