19490944

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 23593856

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 109, 127, 128, 176, 218, 254, 352, 436, 508, 704, 872, 1016, 1199, 1397, 1408, 1744, 2032, 2398, 2794, 3488, 4064, 4796, 5588, 6976, 8128, 9592, 11176, 13843, 13952, 16256, 19184, 22352, 27686, 38368, 44704, 55372, 76736, 89408, 110744, 152273, 153472, 178816, 221488, 304546, 442976, 609092, 885952, 1218184, 1771904, 2436368, 4872736, 9745472, 19490944]

約数ペア:

[(1, 19490944), (2, 9745472), (4, 4872736), (8, 2436368), (11, 1771904), (16, 1218184), (22, 885952), (32, 609092), (44, 442976), (64, 304546), (88, 221488), (109, 178816), (127, 153472), (128, 152273), (176, 110744), (218, 89408), (254, 76736), (352, 55372), (436, 44704), (508, 38368), (704, 27686), (872, 22352), (1016, 19184), (1199, 16256), (1397, 13952), (1408, 13843), (1744, 11176), (2032, 9592), (2398, 8128), (2794, 6976), (3488, 5588), (4064, 4796)]