19505512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 40774860

約数和(自身を除く): 21269348

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 137, 148, 274, 296, 481, 548, 962, 1096, 1369, 1781, 1924, 2738, 3562, 3848, 5069, 5476, 7124, 10138, 10952, 14248, 17797, 20276, 35594, 40552, 65897, 71188, 131794, 142376, 187553, 263588, 375106, 527176, 750212, 1500424, 2438189, 4876378, 9752756, 19505512]

約数ペア:

[(1, 19505512), (2, 9752756), (4, 4876378), (8, 2438189), (13, 1500424), (26, 750212), (37, 527176), (52, 375106), (74, 263588), (104, 187553), (137, 142376), (148, 131794), (274, 71188), (296, 65897), (481, 40552), (548, 35594), (962, 20276), (1096, 17797), (1369, 14248), (1781, 10952), (1924, 10138), (2738, 7124), (3562, 5476), (3848, 5069)]