19559120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 53032320

約数和(自身を除く): 33473200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 659, 742, 848, 1060, 1318, 1484, 1855, 2120, 2636, 2968, 3295, 3710, 4240, 4613, 5272, 5936, 6590, 7420, 9226, 10544, 13180, 14840, 18452, 23065, 26360, 29680, 34927, 36904, 46130, 52720, 69854, 73808, 92260, 139708, 174635, 184520, 244489, 279416, 349270, 369040, 488978, 558832, 698540, 977956, 1222445, 1397080, 1955912, 2444890, 2794160, 3911824, 4889780, 9779560, 19559120]

約数ペア:

[(1, 19559120), (2, 9779560), (4, 4889780), (5, 3911824), (7, 2794160), (8, 2444890), (10, 1955912), (14, 1397080), (16, 1222445), (20, 977956), (28, 698540), (35, 558832), (40, 488978), (53, 369040), (56, 349270), (70, 279416), (80, 244489), (106, 184520), (112, 174635), (140, 139708), (212, 92260), (265, 73808), (280, 69854), (371, 52720), (424, 46130), (530, 36904), (560, 34927), (659, 29680), (742, 26360), (848, 23065), (1060, 18452), (1318, 14840), (1484, 13180), (1855, 10544), (2120, 9226), (2636, 7420), (2968, 6590), (3295, 5936), (3710, 5272), (4240, 4613)]