19772445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 128

約数和(自身を含む): 44789760

約数和(自身を除く): 25017315

約数列:

[1, 3, 5, 7, 11, 15, 17, 19, 21, 33, 35, 51, 53, 55, 57, 77, 85, 95, 105, 119, 133, 159, 165, 187, 209, 231, 255, 265, 285, 323, 357, 371, 385, 399, 561, 583, 595, 627, 665, 795, 901, 935, 969, 1007, 1045, 1113, 1155, 1309, 1463, 1615, 1749, 1785, 1855, 1995, 2261, 2703, 2805, 2915, 3021, 3135, 3553, 3927, 4081, 4389, 4505, 4845, 5035, 5565, 6307, 6545, 6783, 7049, 7315, 8745, 9911, 10659, 11077, 11305, 12243, 13515, 15105, 17119, 17765, 18921, 19635, 20405, 21147, 21945, 24871, 29733, 31535, 33231, 33915, 35245, 49555, 51357, 53295, 55385, 61215, 69377, 74613, 77539, 85595, 94605, 105735, 119833, 124355, 148665, 166155, 188309, 208131, 232617, 256785, 346885, 359499, 373065, 387695, 564927, 599165, 941545, 1040655, 1163085, 1318163, 1797495, 2824635, 3954489, 6590815, 19772445]

約数ペア:

[(1, 19772445), (3, 6590815), (5, 3954489), (7, 2824635), (11, 1797495), (15, 1318163), (17, 1163085), (19, 1040655), (21, 941545), (33, 599165), (35, 564927), (51, 387695), (53, 373065), (55, 359499), (57, 346885), (77, 256785), (85, 232617), (95, 208131), (105, 188309), (119, 166155), (133, 148665), (159, 124355), (165, 119833), (187, 105735), (209, 94605), (231, 85595), (255, 77539), (265, 74613), (285, 69377), (323, 61215), (357, 55385), (371, 53295), (385, 51357), (399, 49555), (561, 35245), (583, 33915), (595, 33231), (627, 31535), (665, 29733), (795, 24871), (901, 21945), (935, 21147), (969, 20405), (1007, 19635), (1045, 18921), (1113, 17765), (1155, 17119), (1309, 15105), (1463, 13515), (1615, 12243), (1749, 11305), (1785, 11077), (1855, 10659), (1995, 9911), (2261, 8745), (2703, 7315), (2805, 7049), (2915, 6783), (3021, 6545), (3135, 6307), (3553, 5565), (3927, 5035), (4081, 4845), (4389, 4505)]